{"title":"30 mm Ball Bearing Blocks (BBB 30)","description":"\u003cul\u003e\n\u003cli\u003eStainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads.\u003c\/li\u003e\n\u003cli\u003eAcetal bearing cage to prevent ball-to-ball friction and to reduce weight.\u003c\/li\u003e\n\u003cli\u003eGlass fibre reinforced composite.\u003c\/li\u003e\n\u003cli\u003eAn insert washer between the block and the shackle is used to locate the shackle at 0° or 90°.  When removed the shackle spins freely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.seldenmast.com\/products\/deck-hardware\/#bm_blocks\" target=\"_blank\" rel=\"noopener\"\u003eLearn more about Seldén Ball Bearing Blocks\u003c\/a\u003e\u003c\/p\u003e","products":[{"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-double","title":"30 mm Ball Bearing Block - Double","description":"\u003cp\u003eThe BBB30 Double Block is a 30mm ball bearing block with a stainless attachment eye. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheaves and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Ideal for moderate and dynamic loads with minimal friction.\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: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634795770189,"sku":"403-101-04R","price":561.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_724d473e-dca1-444c-a4f5-db297ed07fa9.jpg?v=1761137523"},{"product_id":"30-mm-ball-bearing-block-double-becket","title":"30 mm Ball Bearing Block - Double, Becket","description":"\u003cp\u003eThe BBB30 Double Becket Block is a 30mm ball bearing block with a stainless attachment eye. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheaves and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Ideal for moderate and dynamic loads with minimal friction.\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: 8 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634795901261,"sku":"403-101-05R","price":620.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_d2e68741-d68b-4957-b12f-da17fb621348.jpg?v=1761137525"},{"product_id":"30-mm-ball-bearing-block-triple","title":"30 mm Ball Bearing Block - Triple","description":"\u003cp\u003eThe BBB30 Triple Block is a 30mm ball bearing block with a stainless attachment eye. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheaves and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 600 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 1200 \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":52634796753229,"sku":"403-101-06R","price":833.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_38d4308b-597b-44a6-9b3e-f48d3de1efc5.jpg?v=1761137541"},{"product_id":"30-mm-ball-bearing-block-triple-becket-cam","title":"30 mm Ball Bearing Block - Triple, Becket, Cam","description":"\u003cp\u003eThe BBB30 Triple Becket Cam Block is a 30mm ball bearing block with a stainless attachment eye, a becket and a size 27 cam cleat with top-guide. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheaves and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 540 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 1080 \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":52634796818765,"sku":"403-101-07R","price":1372.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_bb268977-904e-4692-a6ea-58dc2a4dc8a6.jpg?v=1761137544"},{"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-triple-becket","title":"30 mm Ball Bearing Block - Triple, Becket","description":"\u003cp\u003eThe BBB30 Triple Becket Block is a 30mm ball bearing block with a stainless attachment eye and a becket. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheaves and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 600 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 1200 \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":52634797048141,"sku":"403-101-10R","price":833.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_d2448c00-2ce2-4f60-ad6b-975e948888f4.jpg?v=1774950988"},{"product_id":"30-mm-ball-bearing-block-triple-cam","title":"30 mm Ball Bearing Block - Triple, Cam","description":"\u003cp\u003eThe BBB30 Triple Cam Block is a 30mm ball bearing block with a stainless attachment eye and a size 27 cam cleat with top-guide. \u003c\/p\u003e\u003cp\u003eThe block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheaves and cheeks. Acetal bearing cage to prevent ball-to-ball friction and to reduce weight. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 450 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 900 \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":52634798293325,"sku":"403-101-11R","price":1338.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_e38dd380-8f90-4b79-bec1-622f519175ec.jpg?v=1761137560"},{"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-ball-bearing-block-double-through-deck-lead","title":"30 mm Ball Bearing Block - Double, Through-Deck lead","description":"\u003cp\u003eThe Seldén BBB30 Double 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\u003eTypically used to lead the ø8 mm furling line of a Furlex 204TD from the anchor box installation through deck and back to the cockpit.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eBlockType\u003c\/b\u003e: td,double \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSubType\u003c\/b\u003e: td double \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":52634801963341,"sku":"403-101-24R","price":601.25,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_25381639-dc6c-4908-b17e-79eaf7a0fd7e.jpg?v=1761137571"},{"product_id":"stand-up-spring-o20-16-25-mm","title":"Stand-up spring, ø20\/16-25 mm","description":"\u003cp\u003eStainless stand-up spring for BBB20 and BBB30 blocks.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWidth\u003c\/b\u003e: 20 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eHeight\u003c\/b\u003e: 25 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMatch with\u003c\/b\u003e: BBB 20,BBB 30 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634803634509,"sku":"403-123R","price":145.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_30cfd96b-a93f-4093-8727-31d0e6d53935.jpg?v=1761137598"},{"product_id":"swivel-lock-bbb30","title":"Swivel lock for BBB30 single\/fiddle blocks","description":"\u003cp\u003eSwivel lock washer for BBB30 single and fiddle blocks. Locks a swiveling shaft for fixed 0° or 90° shackle position.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eDimension\u003c\/b\u003e: 20x16x7 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eSystemMatch\u003c\/b\u003e: BBB30 (single\/fiddle) \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634803732813,"sku":"403-131R","price":62.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_522e6efb-c5ad-4e86-bd3a-1cac27791fca.jpg?v=1761137600"},{"product_id":"40-mm-ball-bearing-block-linked-bbb30-bbb40","title":"40 mm Ball Bearing Block - Linked BBB30\/BBB40","description":"\u003cp\u003eThe BBB40 Linked Block combines a 40 mm and a 30 mm sheave for versatile rigging options.\u003c\/p\u003e\u003cp\u003eThe stainless steel ball bearings provide smooth, low-friction operation, while glass fiber reinforced cheeks enhance durability. 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: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52634810089805,"sku":"404-101-21","price":585.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_f0e939ee-8e63-4548-8552-a374f7fb0ce9.jpg?v=1761137697"}],"url":"https:\/\/shop.seldenmast.com\/collections\/blocks-bbb30.oembed","provider":"Seldén Yacht Store SE","version":"1.0","type":"link"}