{"title":"Single Blocks for Sailboats","description":"\u003cp\u003eSeldén’s single blocks are designed for smooth, reliable control of halyards, sheets, and trim lines on all types of sailboats. With ball or roller bearings, high-load sheaves, and corrosion-resistant construction, these sailing blocks deliver low friction and high strength for both cruising and racing applications. \u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.seldenmast.com\/products\/deck-hardware\/#bm_blocks\" target=\"_blank\"\u003eLearn more about Seldén Blocks\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"16-mm-plain-bearing-block-single-composite","title":"16 mm Plain Bearing Block - Single, Composite","description":"\u003cp\u003eThe PBB16 Single Composite Block is a 16mm plain bearing block ideal for flag lines and lazy jacks.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 70 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 140 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634780238157,"sku":"401-001-01","price":80.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_8b8167a8-dd5f-446d-99c1-c3bbc99d74d5.jpg?v=1761137403"},{"product_id":"16-mm-plain-bearing-block-single-brass","title":"16 mm Plain Bearing Block - Single, Brass","description":"\u003cp\u003eThe PBB16 Single Brass Block is a 16mm plain bearing block designed for flag lines, lazy jacks and similar uses.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 100 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634780303693,"sku":"401-001-02","price":80.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_0b5c432d-eeff-49af-abf2-081837a30a6c.jpg?v=1761137401"},{"product_id":"20-mm-plain-bearing-block-single","title":"20 mm Plain Bearing Block - Single","description":"\u003cp\u003eThe PBB20 Single Plain Bearing Block is designed for for flag lines and lazy jacks.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 70 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 140 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634780336461,"sku":"402-001-01","price":115.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_efd63240-e48e-40fb-991c-bd23da329d4a.jpg?v=1761137405"},{"product_id":"20-mm-plain-bearing-block-flip-flop","title":"20 mm Plain Bearing Block - Flip-Flop","description":"\u003cp\u003eThe PBB20 Flip-Flop block is a 20mm plain bearing block designed for dinghy trim lines such as cunningham, outhaul and halyard.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634780926285,"sku":"402-001-02","price":347.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_75d28f7e-01c1-4690-a768-0b6b5b60cf56.jpg?v=1761137429"},{"product_id":"20-mm-ball-bearing-block-single","title":"20 mm Ball bearing Block - Single","description":"\u003cp\u003eThe BBB20 Single Strap Block is a 20mm ball bearing block designed for lower loads. It features stainless steel strap, ball bearings and glass fiber reinforced polyamide for strength and durability. Can be attached with shackle or line. Ideal for control lines on dinghies and keelboats as well as flag line applications on yachts.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634780991821,"sku":"402-101-01R","price":176.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_85c51812-cea8-4c95-9908-b15dee35a411.jpg?v=1761137424"},{"product_id":"20-mm-ball-bearing-block-single-becket","title":"20 mm Ball Bearing Block - Single, Becket","description":"\u003cp\u003eThe BBB20 Single Becket block is a 20mm ball bearing block with a becket. The block features stainless steel ball bearings for smooth rotation and a glass fiber reinforced polyamide construction for strength and durability. It can be attached with a shackle or line. Perfect for control lines on dinghies and keelboats.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634781057357,"sku":"402-101-02R","price":201.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_058cd7b6-0357-4df0-8c99-7dc8d3d250b7.jpg?v=1761137422"},{"product_id":"20-mm-ball-bearing-block-single-shackle","title":"20 mm Ball bearing Block - Single, Shackle","description":"\u003cp\u003eThe BBB20 single ball bearing block with shackle is ideal for trim lines on smaller boats. Made with stainless steel ball bearings and reinforced materials for high strength and low friction. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634784923981,"sku":"402-101-09R","price":231.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_b2a21c4c-29fe-4b6b-b1be-d0932b9284be.jpg?v=1761137444"},{"product_id":"20-mm-ball-bearing-block-single-tie-on","title":"20 mm Ball bearing Block - Single, Tie-On","description":"\u003cp\u003eThe BBB20 Single Ball Bearing Tie-On Block is a 20mm block designed for control lines on dinghies and keelboats as well as leech line applications on yachts. Best way to attach it is three turns with 2 mm line.\u003c\/p\u003e\u003cp\u003eMade with stainless steel ball bearings and reinforced polyamide, it is lightweight yet strong. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 100 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634786136397,"sku":"402-101-12R","price":193.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_13b6c97c-0b97-4afa-9f3a-8524c88ca4f4.jpg?v=1761137460"},{"product_id":"20-mm-ball-bearing-block-cheek","title":"20 mm Ball Bearing Block - Cheek","description":"\u003cp\u003eThe BBB20 Cheek Block is a 20mm ball bearing block designed for control lines on dinghies and keelboats. It features stainless steel ball bearings for smooth rotation and is made of lightweight yet strong materials. It is ideal for guiding lines on deck and is easy to install with two M4 screws.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: cheeck,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: cheek single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 100 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB20 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM4 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634786201933,"sku":"402-101-13R","price":135.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_905f8784-cb26-4df4-8460-50a5fef43f1d.jpg?v=1761137452"},{"product_id":"20-mm-ball-bearing-block-single-lead","title":"20 mm Ball bearing Block - Single, Lead","description":"\u003cp\u003eThe Seldén BBB20 Single Stand Up Block is a 20mm ball bearing block designed for control lines on dinghies and keelboats.  Made with stainless steel ball bearings and glass fiber reinforced polyamide, it is lightweight yet strong. The block is easy to install with the included deck mounted bracket and spring. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: standup,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: standup single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB20 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634790592845,"sku":"402-101-14R","price":182.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_ee271c7f-d852-4fbd-87b6-7475736ee535.jpg?v=1761137458"},{"product_id":"20-mm-ball-bearing-block-single-through-deck-lead","title":"20 mm Ball bearing Block - Single, Through-Deck Block","description":"\u003cp\u003eThe BBB20 Single TD block is a 20mm ball bearing block designed for leading a line through a deck or coaming. It features stainless steel ball bearings for smooth rotation and low friction. Ideal for control lines on dinghies and keelboats. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: td,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: td single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 100 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB20 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM4 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634792493389,"sku":"402-101-17","price":262.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_851df6cd-f919-4f2a-8f57-814427c55835.jpg?v=1761137471"},{"product_id":"20-mm-ball-bearing-block-single-strap","title":"20 mm Ball bearing Block - Single, Strap","description":"\u003cp\u003eThe BBB20 Single Strap\/Holder block is a 20mm ball bearing block suitable for control line on dinghies and keelboats. Made with stainless steel ball bearings and glass fiber reinforced polyamide, it is lightweight yet strong. Easy to install with one M4 screw. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB20 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 1x M4 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634792722765,"sku":"402-101-20R","price":248.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_7feeb4fe-fb72-4d33-85c6-1e1c89e0dbbd.jpg?v=1761137473"},{"product_id":"20-mm-s20-soft-attachment-block-single-soft-attachment","title":"20 mm S20 Soft Attachment Block - Single, Soft Attachment","description":"\u003cp\u003eThe S20 Soft Attachment Block is a high-quality, lightweight block with a low-friction design. It features an Acetal sheave and ball bearings in stainless steel. Ideal for trim lines on smaller boats in racing conditions. Easy to install with the included 2 mm Dyneema line. \u003c\/p\u003e\u003cp\u003eIdeal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired.  \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634792788301,"sku":"402-101-60R","price":256.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_dc191a2a-656b-4ac8-bcd4-fad2281f7d6d.jpg?v=1761137475"},{"product_id":"20-mm-s20-soft-attachment-block-single-soft-attachment-stainless-sheave","title":"20 mm S20+ Soft Attachment Block - Single, Soft Attachment, Stainless sheave","description":"\u003cp\u003eUpgraded 20 mm single Soft Attachment Block featuring stainless steel sheave for higher working load. Ball bearings in stainless steel and a 2 mm \/ 550 mm Dyneema lashing included. A high-quality, lightweight block with a low-friction design.\u003c\/p\u003e\u003cp\u003eIdeal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired.  \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 6 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634793410893,"sku":"402-101-65R","price":500.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_6ec929bc-b3ed-4f1e-a4d9-09f0f275d37f.jpg?v=1761137495"},{"product_id":"25-mm-high-load-ball-bearing-block-single-strap","title":"25 mm High Load Ball Bearing Block - Single, Strap","description":"\u003cp\u003eThe BBB25 Single Loop Block is a 25mm high load ball bearing block designed for dynamic loads on smaller boats. It is ideal for use with wire and rope up to 5mm in diameter, perfect for rigging control lines, halyards and tackles. The stainless steel construction provides high strength and rigidity, with a row of stainless steel bearings for smooth operation. Ball cage to reduce ball-to-ball friction and weight.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 800 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 5 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634793476429,"sku":"402-201-04R","price":306.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_cd465eb6-5022-4751-a8a3-82a4f6e6062b.jpg?v=1761137486"},{"product_id":"25-mm-high-load-ball-bearing-block-single-fixed-pin","title":"25 mm High Load Ball Bearing Block - Single, Fixed pin","description":"\u003cp\u003eThe BBB25 Single Rivet Block is a 25mm high load ball bearing block designed for dynamic loads on smaller boats. It is ideal for use with wire and rope up to 5mm in diameter, perfect for rigging control lines, halyards and tackles. The stainless steel construction provides high strength and rigidity, with a row of stainless steel bearings for smooth operation. Ball cage to reduce ball-to-ball friction and weight. Tie-On attachment.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 800 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 5 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634793541965,"sku":"402-201-05R","price":306.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_5ff0e1b4-dcb9-4cdd-ae02-8ec0ebe392c0.jpg?v=1761137491"},{"product_id":"25-mm-high-load-ball-bearing-block-single-removable-pin","title":"25 mm High Load Ball Bearing Block - Single, Removable pin","description":"\u003cp\u003eThe BBB25 Single Pin Block is a 25mm high load ball bearing block designed for dynamic loads on smaller boats. It is ideal for use with wire and rope up to 5mm in diameter, perfect for rigging control lines, halyards and tackles. The stainless steel construction provides high strength and rigidity, with a row of stainless steel bearings for smooth operation. Ball cage to reduce ball-to-ball friction and weight. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 800 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 5 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634793607501,"sku":"402-201-06R","price":352.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_918b93b9-8548-4cf7-8ce1-5d004a4151b2.jpg?v=1761137488"},{"product_id":"25-mm-high-load-ball-bearing-block-single-becket-removable-pin","title":"25 mm High Load Ball Bearing Block - Single, Becket, removable pin","description":"\u003cp\u003eThe BBB25 Single Becket Block is a 25mm high load ball bearing block designed for dynamic loads on smaller boats. It is ideal for use with wire and rope up to 5mm in diameter, perfect for rigging control lines, halyards and tackles. The stainless steel construction provides high strength and rigidity, with a row of stainless steel bearings for smooth operation. Ball cage to reduce ball-to-ball friction and weight. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 800 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 5 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634794426701,"sku":"402-201-07R","price":388.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_8b79407d-20de-417c-9b61-41ff4c2f557a.jpg?v=1761137507"},{"product_id":"30-mm-ball-bearing-block-single-swivel","title":"30 mm Ball Bearing Block - Single, Swivel","description":"\u003cp\u003eThe BBB30 Single Swivel Block is a 30mm ball bearing block with a swiveling shaft. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheave and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. The center hole can be used as a becket. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634795278669,"sku":"403-101-01R","price":345.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_827ee88d-765a-4fd7-8353-ba7b4f808cd8.jpg?v=1761137520"},{"product_id":"30-mm-ball-bearing-block-single-strap","title":"30 mm Ball Bearing Block - Single Strap","description":"\u003cp\u003eThe BBB30 Single Strap Block is a 30mm ball bearing block with a stainless attachment strap. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheave and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. The center hole can be used as a becket. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634795475277,"sku":"403-101-02R","price":205.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_c8730334-7bce-4323-acf5-0cdfa490629b.jpg?v=1761137529"},{"product_id":"30-mm-ball-bearing-block-single-swivel-becket","title":"30 mm Ball Bearing Block - Single, Swivel, Becket","description":"\u003cp\u003eThe BBB30 Single Swivel Becket Block is a 30mm ball bearing block with a swiveling shaft. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheave and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. The center hole can be used as a becket. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634795704653,"sku":"403-101-03R","price":400.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_9afaa21d-f8b5-40b9-a788-79812877e39b.jpg?v=1761137526"},{"product_id":"30-mm-ball-bearing-block-single-tie-on","title":"30 mm Ball Bearing Block - Single, Tie-On","description":"\u003cp\u003eThe BBB30 Tie-On Block is a 30mm ball bearing block that is tied on to a dinghy boom or to any other fixing point. The idea with this block is to save weight and to get a tight but yet articulating fit. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheave and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634796884301,"sku":"403-101-08R","price":253.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_6e4ef4f4-f258-4590-b8f0-dd4e82bbbdfb.jpg?v=1761137539"},{"product_id":"30-mm-ball-bearing-block-cheek","title":"30 mm Ball Bearing Block -  Cheek","description":"\u003cp\u003eThe BBB30 Cheek Block is a 30mm ball bearing block designed for dinghies and smaller keelboats. It features stainless steel ball bearings for smooth rotation and a glass fiber reinforced polyamide construction for strength and lightness. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Easy to install on deck with 2 M4 screws.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: cheek,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: cheek single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB30 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM4 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634796949837,"sku":"403-101-09R","price":193.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_061d19cd-a505-4c62-ae35-4aa8b8ee0184.jpg?v=1761137537"},{"product_id":"30-mm-ball-bearing-block-single-stand-up-eyestrap","title":"30 mm Ball Bearing Block - Single, Stand-Up, Eyestrap","description":"\u003cp\u003eThe BBB30 Single Stand-Up Block is a 30mm ball bearing block designed for medium-sized boats or trim lines. It features stainless steel ball bearings for high strength under dynamic loads, with a glass fiber reinforced composite construction for durability. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Easy to install on deck with included hardware. Ideal for moderate and dynamic loads with low friction rotation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: standup,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: standup single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB30 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM4 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634798391629,"sku":"403-101-12R","price":377.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_f2545e3a-765d-4946-b8d7-49fa84455b67.jpg?v=1761137559"},{"product_id":"30-mm-ball-bearing-block-single-becket","title":"30 mm Ball Bearing Block - Single, Becket","description":"\u003cp\u003eThe BBB30 Single Becket Strap Ball Bearing Block is a block suitable for smaller boats or trim lines with dynamic loads. It features stainless steel ball bearings for smooth rotation and a glass fiber reinforced polyamide construction. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634798457165,"sku":"403-101-13R","price":305.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_31493da0-1214-4acf-a63d-8d10007216fe.jpg?v=1761137556"},{"product_id":"30-mm-ball-bearing-block-clew-block-stainless-ring","title":"30 mm Ball Bearing Block - Clew block, Stainless ring","description":"\u003cp\u003eThe BBB30 Clew\/Ring block is a 30mm ball bearing block designed for lower loads on smaller boats. Ideal for 2:1 jib sheets on keelboats. \u003c\/p\u003e\u003cp\u003eMade with stainless steel ball bearings and a glass fiber reinforced sheave, it offers high strength and low friction. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634798522701,"sku":"403-101-14R","price":413.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_400b258c-8563-41d8-9333-2e5bc9b34fe7.jpg?v=1761137554"},{"product_id":"30-mm-ball-bearing-block-linked-bbb20-bbb30","title":"30 mm Ball Bearing Block - Linked BBB20\/BBB30","description":"\u003cp\u003eThe BBB 20\/30 Linked Ball Bearing Block is designed for moderate and dynamic loads on dinghies or keelboats. Typically used for jib or downwind sail barber haulers.\u003c\/p\u003e\u003cp\u003eMade with stainless steel ball bearings and a glass fiber reinforced sheave, it offers high strength and low friction. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634798555469,"sku":"403-101-15","price":347.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_b932b8e5-b67c-4159-be7d-291ceda468d6.jpg?v=1761137562"},{"product_id":"30-mm-ball-bearing-block-single-swivel-slotted-pin","title":"30 mm Ball Bearing Block - Single, Swivel, Slotted pin","description":"\u003cp\u003eThe BBB30 30 mm Ball Bearing Block with slotted swiveling shaft is designed to be fitted to a 2-p eye with or without a spring. This is the block included in 403-101-12R. Made with stainless steel ball bearings and glass fiber reinforced composite for strength and durability. \u003c\/p\u003e\u003cp\u003eAcetal bearing cage to prevent ball-to-ball friction and to reduce weight.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634801766733,"sku":"403-101-16R","price":301.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_da7680de-3f16-4ddd-a654-f2e48221c1d7.jpg?v=1761137578"},{"product_id":"30-mm-ball-bearing-block-single-through-deck-lead","title":"30 mm Ball Bearing Block - Single, Through-Deck lead","description":"\u003cp\u003eThe Seldén BBB30 Single TD block is a 30mm ball bearing block designed for leading a line through a coaming or deck. Made with stainless steel ball bearings and glass fiber reinforced polyamide, it is lightweight yet strong. Mounted with 2 M5 screws. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: td,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: td single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB30 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM5 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634801832269,"sku":"403-101-22R","price":325.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_d8a3f9f4-5025-4f74-bf2d-c5ab0b31c2e9.jpg?v=1761137575"},{"product_id":"30-mm-ball-bearing-block-single-lead","title":"30 mm Ball Bearing Block - Single, Lead","description":"\u003cp\u003eThe Seldén BBB30 Lead Block is a 30mm ball bearing block designed for lower loads on smaller boats or trim lines. It features stainless steel ball bearings for strength and smooth operation. Easy installation with 2 M5 screws. \u003c\/p\u003e\u003cp\u003eTypically used for the control line of a main sheet track system.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: lead,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: lead single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB30 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM5 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634801897805,"sku":"403-101-23R","price":297.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_9586b475-9246-4df5-9957-1e308dc88928.jpg?v=1761137573"},{"product_id":"30-mm-s30-soft-attachment-block-single-soft-attachment","title":"30 mm S30 Soft Attachment Block - Single, Soft Attachment","description":"\u003cp\u003eThe S30 Single Soft Attachment Block is a high-quality, lightweight block with a low-friction design. It features an Acetal sheave and ball bearings in stainless steel. Easy to install with the included 2 mm Dyneema line. \u003c\/p\u003e\u003cp\u003eIdeal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired.  \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 200 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634802028877,"sku":"403-101-60R","price":360.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_d90d403b-9756-44fa-a316-f1a0518eac58.jpg?v=1761137580"},{"product_id":"30-mm-s30-soft-attachment-block-single-soft-attachment-stainless-sheave","title":"30 mm S30+ Soft Attachment Block - Single, Soft Attachment, Stainless sheave","description":"\u003cp\u003eThe S30+ Soft Attachment Block is an upgraded 30 mm single Soft Attachment Block featuring stainless steel sheave for higher working load. Ball bearings in stainless steel and a 2 mm \/ 550 mm Dyneema lashing included. A high-quality, lightweight block with a low-friction design. \u003c\/p\u003e\u003cp\u003eIdeal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired.  \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 325 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 650 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634803536205,"sku":"403-101-65R","price":597.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_ec4451aa-156e-461e-aadd-6b4addac231b.jpg?v=1761137594"},{"product_id":"30-mm-hi-load-plain-bearing-block-for-cx15-2-1-halyard","title":"30 mm Hi-Load Plain Bearing Block for 2:1 Halyard. Mainsail and Code 0","description":"\u003cp\u003e2:1 halyard block for Seldén CX15 and CXr15 Code Zero furler.\u003c\/p\u003e\u003cp\u003eMachined and hard anodized aluminium block with captive pin. Acetal sheave.\u003c\/p\u003e\u003cp\u003eTo boost the performance when using a Code Zero, the halyard load must be higher than what normal halyard boxes and stoppers can handle. Therefore, a 2:1 purchase needs to be arranged by fixing the dead end of the halyard in the mast and letting it run\u003cbr\u003ethrough a block attached to the halyard swivel. Position on the mast must be specified by Seldén. In most cases Code Zero sails need to be hoisted lower than gennakers and spinnakers. \u003c\/p\u003e\u003cp\u003eThis block is also ideal for a 2:1 purchase on the main halyard.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSheave Diameter\u003c\/b\u003e: 30 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eL1\u003c\/b\u003e: 66 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eL2\u003c\/b\u003e: 21 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eW\u003c\/b\u003e: 13 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eD\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 1500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 3000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMatch\u003c\/b\u003e: CX15 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634803798349,"sku":"403-501-01R","price":1692.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_59816f96-1f03-4527-b4bf-3a8551717e90.jpg?v=1761137589"},{"product_id":"40-mm-plain-bearing-block-single-swivel","title":"40 mm Plain Bearing Block - Single, Swivel","description":"\u003cp\u003eThe PBB40 Single Swivel Block is a 40mm plain bearing block with a swiveling shaft. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003eSuitable for heavy and static loads in halyard tuning, mainsheet systems and boom vang. \u003c\/p\u003e\u003cp\u003ePolymer sheave and stiff glass fibre reinforced cheeks to prevent the line from jamming.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 350 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 700 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634804420941,"sku":"404-001-01R","price":263.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_4d2e6ad8-52bb-4c07-ba65-d595e41020eb.jpg?v=1761137609"},{"product_id":"40-mm-plain-bearing-block-single-swivel-becket","title":"40 mm Plain Bearing Block - Single, Swivel, Becket","description":"\u003cp\u003eThe PBB40 Single Becket Swivel Block is a 40mm plain bearing block with a swiveling shaft. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003eSuitable for heavy and static loads in halyard tuning, mainsheet systems and boom vang. \u003c\/p\u003e\u003cp\u003ePolymer sheave and stiff glass fibre reinforced cheeks to prevent the line from jamming.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 350 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 700 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634804486477,"sku":"404-001-02R","price":330.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_1e81ea30-51af-44f2-815c-35a8ca8c2ab0.jpg?v=1761137612"},{"product_id":"40-mm-plain-bearing-block-single-strap","title":"40 mm Plain Bearing Block - Single, Strap","description":"\u003cp\u003eThe PBB40 Single strap block is a 40mm plain bearing block with a fixed stainless strap. The block can be attached with a line or with a shackle.\u003c\/p\u003e\u003cp\u003eSuitable for heavy and static loads in halyard tuning, mainsheet systems and boom vang. \u003c\/p\u003e\u003cp\u003ePolymer sheave and stiff glass fibre reinforced cheeks to prevent the line from jamming.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 350 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 700 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634804617549,"sku":"404-001-25R","price":215.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_a1a31290-6c3e-4dd9-af4f-8577c62589b5.jpg?v=1761137611"},{"product_id":"40-mm-ball-bearing-block-single-swivel","title":"40 mm Ball Bearing Block - Single, Swivel","description":"\u003cp\u003eThe BBB40 Single Swivel Block is a 40mm ball bearing block for dynamic applications and medium load.\u003c\/p\u003e\u003cp\u003eIt features a swiveling shaft with swivel lock - a plastic washer which is placed between block body and shackle for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheave and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. The center hole can be used as a becket. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634805502285,"sku":"404-101-01R","price":413.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_6eab7917-aba0-4a1f-ace0-ae430eb43da2.jpg?v=1761137627"},{"product_id":"40-mm-ball-bearing-block-single-strap","title":"40 mm Ball Bearing Block - Single, Strap","description":"\u003cp\u003eThe BBB40 Single Strap Block is a 40mm ball bearing block with a stainless attachment strap. It offers high strength with minimal friction, featuring stainless steel ball bearings and a polymer sheave. Perfect for dynamic load applications where smooth and precise control is required.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634805567821,"sku":"404-101-02R","price":345.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_23423ccb-440d-4474-8232-0672a892a240.jpg?v=1761137629"},{"product_id":"40-mm-ball-bearing-block-single-swivel-becket","title":"40 mm Ball Bearing Block - Single, Swivel, Becket","description":"\u003cp\u003eThe BBB40 Single Becket Swivel Block is a 40 mm ball bearing block designed for dynamic applications under medium loads.\u003c\/p\u003e\u003cp\u003eIt features a swiveling shaft with swivel lock - a plastic washer which is placed between block body and shackle for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003eThe stainless steel ball bearings provide smooth rotation, while the glass fiber reinforced cheeks and Acetal bearing cage reduce friction. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634805633357,"sku":"404-101-03R","price":470.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_7b4d328d-9d47-440e-925b-9d613e7a9d35.jpg?v=1761137625"},{"product_id":"40-mm-ball-bearing-block-single-swivel-cam","title":"40 mm Ball Bearing Block - Single, Swivel, Cam","description":"\u003cp\u003eThe BBB40 Single Swivel Cam Block is a 40 mm ball bearing block featuring an integrated 27 mm composite cam cleat for secure line holding and quick adjustments. The cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eIt comes with a swiveling shaft and a plastic washer that acts as a swivel lock to fix the shackle at 0° or 90°. \u003c\/p\u003e\u003cp\u003eStainless steel ball bearings provide smooth operation under medium loads, and glass fiber reinforced cheeks offer strength and durability. The center hole can be used as a becket. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 90 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 180 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 7 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634805698893,"sku":"404-101-04R","price":957.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_426e1fbd-8519-4e65-8337-6134f00c8cec.jpg?v=1761137623"},{"product_id":"40-mm-ball-bearing-block-single-swivel-becket-cam","title":"40 mm Ball Bearing Block - Single, Swivel, Becket, Cam","description":"\u003cp\u003eThe BBB40 Single Becket Cam Block combines a 40 mm sheave with a swiveling shaft, becket and integrated 27 mm composite cam cleat for efficient line management.\u003c\/p\u003e\u003cp\u003eIt features a swiveling shaft with swivel lock - a plastic washer which is placed between block body and shackle for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003eThe cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eThe stainless steel ball bearings ensure smooth operation, while the glass fiber reinforced cheeks and Acetal bearing cage reduce friction and weight. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 180 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 360 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 7 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634806518093,"sku":"404-101-05R","price":1013.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_a9fe5dcb-1e52-410b-a69a-b57f520b69de.jpg?v=1761137644"},{"product_id":"40-mm-ball-bearing-block-single-tie-on","title":"40 mm Ball Bearing Block - Single, Tie-On","description":"\u003cp\u003eThe BBB40 Tie-On Block is a lightweight and flexible 40 mm ball bearing block designed for dynamic applications under medium loads. It is tied directly to rigging points, eliminating the need for shackles.\u003c\/p\u003e\u003cp\u003eStainless steel ball bearings provide smooth, low-friction performance, and glass fiber reinforced cheeks ensure durability. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634808516941,"sku":"404-101-16R","price":306.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_9a4fdab3-3d3b-49aa-ae48-82276fd3bac0.jpg?v=1761137683"},{"product_id":"40-mm-ball-bearing-block-cheek","title":"40 mm Ball Bearing Block - Cheek","description":"\u003cp\u003eThe BBB40 Cheek Block is designed for fixed mounting on flat surfaces. It features a 40 mm sheave with stainless steel ball bearings for smooth operation under medium loads. Glass fiber reinforced cheeks provide strength and durability. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: cheek,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: cheek single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB40 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM5 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634808615245,"sku":"404-101-17R","price":286.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_477297ca-9351-45a9-ab34-760452949db8.jpg?v=1761137675"},{"product_id":"40-mm-ball-bearing-block-single-becket-strap","title":"40 mm Ball Bearing Block - Single, Becket, Strap","description":"\u003cp\u003eThe BBB40 Single Becket Strap Block is a 40 mm ball bearing block designed for dynamic applications under medium loads. It features a becket for additional rigging flexibility and includes a stainless strap for secure mounting.\u003c\/p\u003e\u003cp\u003eStainless steel ball bearings ensure smooth operation and glass fiber reinforced cheeks provide strength. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634808910157,"sku":"404-101-20R","price":367.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_570ee44b-515d-4c65-8952-efd08cfe797d.jpg?v=1761137681"},{"product_id":"40-mm-ball-bearing-block-single-through-deck-block","title":"40 mm Ball Bearing Block - Single, Through-Deck block","description":"\u003cp\u003eThe BBB40 Single Through-Deck Block is designed for running lines through deck coamings or bulkheads. The 40 mm sheave is supported by stainless steel ball bearings, ensuring smooth, friction-free operation under medium loads. Glass fiber reinforced cheeks and box provide strength.\u003c\/p\u003e\u003cp\u003eIdeal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: td,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: td single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystem\u003c\/b\u003e: BBB40 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMounting\u003c\/b\u003e: 2xM5 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634810351949,"sku":"404-101-22R","price":426.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_72406e2c-f2b4-4cdc-8f23-d91b49ecf367.jpg?v=1761137695"},{"product_id":"40-mm-ball-bearing-block-single-lead","title":"40 mm Ball Bearing Block - Single Lead","description":"\u003cp\u003eThe BBB40 Lead Block is designed for leading control lines on dinghies and keelboats. The 40 mm sheave is equipped with stainless steel ball bearings for smooth operation under dynamic loads. Glass fiber reinforced cheeks enhance strength and durability. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: lead,single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: lead single \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634810417485,"sku":"404-101-23R","price":390.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_ccc98981-e64e-471d-a1bb-d5733cc230fd.jpg?v=1761137693"},{"product_id":"40-mm-s40-soft-attachment-block-single-soft-attachment","title":"40 mm S40 Soft Attachment Block - Single, Soft Attachment","description":"\u003cp\u003eThe S40 Single Soft Attachment Block is a lightweight, high-performance block featuring a 40 mm sheave with stainless steel ball bearings for smooth operation under dynamic loads.\u003c\/p\u003e\u003cp\u003eIdeal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired.  \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 250 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634810646861,"sku":"404-101-60R","price":497.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_12fceae1-7cf7-470c-a853-9c919c80cf41.jpg?v=1761137699"},{"product_id":"40-mm-s40-soft-attachment-block-single-soft-attachment-stainless-sheave","title":"40 mm S40+ Soft Attachment Block - Single, Soft Attachment, Stainless Sheave","description":"\u003cp\u003eThe S40+ Soft Attachment Block features a 40 mm sheave in stainless steel for greater load-bearing capacity.\u003c\/p\u003e\u003cp\u003eStainless steel ball bearings ensure smooth operation, while the soft attachment system provides flexibility and strength. Ideal for moderate and dynamic loads with minimal friction combined with a soft and flexible assembly.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 400 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 800 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634812285261,"sku":"404-101-65R","price":676.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_1ba2660d-a2e4-4a42-a522-66fb3b7ac80e.jpg?v=1761137713"},{"product_id":"45-mm-automatic-ratchet-block-single-swivel","title":"45 mm Automatic Ratchet Block - Single, Swivel","description":"\u003cp\u003eThe ARB45 Single Swivel Block is a 45 mm ball bearing block with a swiveling shaft. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003eThe block is designed with lightweight ø5 mm Delrin ball bearings and features a composite sheave. The sheave automatically changes from free-turning to ratchet when the load increases. The sailor decides when the automatic ratchet kicks in. The switch-over point is set using an allen key to adjust a screw inside the sheave. Fast, simple, precise.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 150 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634816741709,"sku":"404-401-01R","price":972.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_05dd75cb-13a9-4b52-8f81-1c935d763ac0.jpg?v=1761137730"},{"product_id":"40-mm-hi-load-plain-bearing-block-for-cx25-2-1-halyard-high-load","title":"40 mm Hi-Load Plain Bearing Block for 2:1 Halyard. Mainsail and Code 0","description":"\u003cp\u003e2:1 halyard block for Seldén CX25, CXr25 and CXe25 Code Zero furler.\u003c\/p\u003e\u003cp\u003eMachined and hard anodized aluminium block with captive pin. Acetal sheave.\u003c\/p\u003e\u003cp\u003eTo boost the performance when using a Code Zero, the halyard load must be higher than what normal halyard boxes and stoppers can handle. Therefore, a 2:1 purchase needs to be arranged by\u003cbr\u003efixing the dead end of the halyard in the mast and letting it run through a block attached to the halyard swivel. Position on the mast must be specified by Seldén. In most cases Code Zero sails need to be hoisted lower than gennakers and spinnakers. \u003c\/p\u003e\u003cp\u003eThis block is also ideal for a 2:1 purchase on the main halyard.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSheave Diameter\u003c\/b\u003e: 40 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eL1\u003c\/b\u003e: 83 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eL2\u003c\/b\u003e: 26 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eW\u003c\/b\u003e: 18 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eD\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 2500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 5000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMatch\u003c\/b\u003e: CX25 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634816807245,"sku":"404-501-01R","price":2516.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_5880bde0-4321-41ac-9e4c-34dd76089421.jpg?v=1761137725"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/collections\/Croco_grey75_31e2c06b-eee3-48ab-bee5-101f3c45ded1.gif?v=1759928253","url":"https:\/\/shop.seldenmast.com\/collections\/blocks-single.oembed?page=3","provider":"Seldén Yacht Store SE","version":"1.0","type":"link"}