{"title":"Fiddle Blocks for Sailboats","description":"\u003cp\u003eA fiddle block carries two sheaves of different diameter on the same axle, one above the other, in a single body. That builds a multi-part purchase in one compact fitting instead of two blocks stacked on each other — so a vang, mainsheet or cunningham tackle stays short, pulls straight and doesn't twist on itself. Seldén fiddle blocks run from 40 mm to 80 mm, with or without a becket, a cam cleat or a hook.\u003c\/p\u003e\n\u003cp\u003eBoth bearing types are offered at 40 mm and 60 mm. Ball bearings suit moderate loads that you adjust while they're loaded. Plain bearings carry more load at the same sheave size, and are the better answer for a tackle that gets set and left.\u003c\/p\u003e","products":[{"product_id":"40-mm-plain-bearing-block-fiddle-swivel","title":"40 mm Plain Bearing Block - Fiddle, Swivel","description":"\u003cp\u003eThe PBB40 Fiddlet 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 LTD","offers":[{"title":"Default Title","offer_id":51178401595733,"sku":"404-001-11R","price":36.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_576405d4-e49a-482f-bc9f-9867c2c433a3.jpg?v=1753691451"},{"product_id":"40-mm-ball-bearing-block-fiddle","title":"40 mm Ball Bearing Block - Fiddle","description":"\u003cp\u003eThe BBB40 Fiddle Block features a large 40 mm primary sheave and a smaller secondary sheave for increased mechanical advantage in rigging systems.\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\u003eStainless steel ball bearings provide smooth, low-friction operation under medium loads, while glass fiber reinforced cheeks ensure rigidity 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: 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 LTD","offers":[{"title":"Default Title","offer_id":51178404806997,"sku":"404-101-12R","price":65.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_9f539da2-fcad-4aad-8f43-ea1e78858f86.jpg?v=1753691497"},{"product_id":"40-mm-ball-bearing-block-fiddle-becket","title":"40 mm Ball Bearing Block - Fiddle, Becket","description":"\u003cp\u003eThe BBB40 Fiddle Becket Block is designed for dynamic rigging systems, featuring a 40 mm primary sheave and a smaller secondary sheave for mechanical advantage. The block includes a becket for additional rigging options.  \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. Stainless steel ball bearings reduce friction and ensure smooth rotation, while glass fiber reinforced cheeks enhance durability.\u003c\/p\u003e\u003cp\u003eStainless steel ball bearings ensure smooth performance, while 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 LTD","offers":[{"title":"Default Title","offer_id":51178404872533,"sku":"404-101-13R","price":72.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_98fb30c7-1bef-4b93-adc9-351c7c004772.jpg?v=1753691499"},{"product_id":"40-mm-ball-bearing-block-fiddle-cam","title":"40 mm Ball Bearing Block - Fiddle, Cam","description":"\u003cp\u003eThe BBB40 Fiddle Cam Block features a large 40 mm primary sheave, a smaller secondary sheave, and an integrated 27 mm composite cam cleat for secure line handling and fast adjustments. The cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eThe cam cleat arm can be set to a variety of angles and the block 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\u003eStainless steel ball bearings reduce friction, while glass fiber reinforced cheeks provide structural rigidity. \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: 7 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178404905301,"sku":"404-101-14R","price":117.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_e9cd6e62-9af7-4521-a639-e12ff025c458.jpg?v=1753691502"},{"product_id":"40-mm-ball-bearing-block-fiddle-becket-cam","title":"40 mm Ball Bearing Block - Fiddle, Becket, Cam","description":"\u003cp\u003eThe BBB40 Fiddle Becket Cam Block combines a large 40 mm primary sheave, a smaller secondary sheave, a becket and an integrated 27 mm composite cam cleat. The cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eThe block 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.This block is designed for dynamic rigging with high efficiency and control.\u003c\/p\u003e\u003cp\u003eStainless steel ball bearings ensure smooth operation, while glass fiber reinforced cheeks offer 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: 7 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178404970837,"sku":"404-101-15R","price":124.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_1e6dba9f-5f33-4d8b-88eb-a2bf389045f8.jpg?v=1776841559"},{"product_id":"40-mm-ball-bearing-block-fiddle-hook-cam-eye","title":"40 mm Ball Bearing Block - Fiddle, Hook, Cam, Eye","description":"\u003cp\u003eThe BBB40 Fiddle Block with Hook, Cam, and Eye offers versatile rigging options for medium loads. The large 40 mm primary sheave and smaller secondary sheave provide increased mechanical advantage, while the 27 mm composite cam cleat ensures quick adjustments. \u003c\/p\u003e\u003cp\u003eThe cam cleat arm can be set to a variety of angles. \u003c\/p\u003e\u003cp\u003eThe hook is swiveling and allows for quick attachment. The eye at the top of the cam cleat arm is used as \"dead-end\" for a cascade application.\u003c\/p\u003e\u003cp\u003eStainless steel ball bearings reduce friction, and glass fiber reinforced cheeks offer strength and 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: 7 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178406117717,"sku":"404-101-19R","price":140.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_acc2f77d-470c-49bc-9aec-5fa41d3b57ce.jpg?v=1753691513"},{"product_id":"50-mm-plain-bearing-block-fiddle-swivel","title":"50 mm Plain Bearing Block - Fiddle, Swivel","description":"\u003cp\u003eThe 50 mm Fiddle Plain Bearing Block is designed for 4:1 tackles on medium-sized boats. It features acetal sheaves, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 650 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 1300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178409263445,"sku":"405-001-11R","price":57.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_0190618d-b28e-449d-8c61-16c2faaa0aa7.jpg?v=1753691587"},{"product_id":"50-mm-plain-bearing-block-fiddle-swivel-becket","title":"50 mm Plain Bearing Block - Fiddle, Swivel, Becket","description":"\u003cp\u003eThe 50 mm Fiddle Becket Plain Bearing Block is designed for medium-sized boats for numerous applications. It features an acetal sheave, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 650 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 1300 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178409296213,"sku":"405-001-12R","price":64.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_b659234e-b99f-489e-9dc2-4bb2d6e7ed89.jpg?v=1753691589"},{"product_id":"50-mm-plain-bearing-block-fiddle-swivel-cam","title":"50 mm Plain Bearing Block - Fiddle, Swivel, Cam","description":"\u003cp\u003eThe 50 mm Fiddle Cam Plain Bearing Block is designed for medium-sized boats for numerous applications. It features an acetal sheave, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003eThe cam cleat is size 38 with composite cams and a top-guide.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 360 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 720 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178409361749,"sku":"405-001-13R","price":96.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_ac2f6f2d-9b32-4cb0-96dd-f948c12401e8.jpg?v=1753691593"},{"product_id":"50-mm-plain-bearing-block-fiddle-swivel-becket-cam","title":"50 mm Plain Bearing Block - Fiddle, Swivel, Becket, Cam","description":"\u003cp\u003eThe 50 mm Fiddle Cam Becket Plain Bearing Block is designed for medium-sized boats for numerous applications. It features an acetal sheave, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003eThe cam cleat is size 38 with composite cams and a top-guide.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 480 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 960 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178409591125,"sku":"405-001-14R","price":102.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_a97586ba-445b-46b6-ad18-ec78c729e2ec.jpg?v=1753691591"},{"product_id":"50-mm-plain-bearing-block-twin-cam-for-endless-furling-line","title":"50 mm Plain Bearing Block - Twin-cam for endless furling line","description":"\u003cp\u003eThe PBB50 Fiddle Twin-Cam block is a 50mm plain bearing block with two 38 mm composite cam cleats to lock an endless furling line.\u003c\/p\u003e\u003cp\u003eThe cam cleat arms can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eThe Twin-Cam block is suitable for ø10 furling lines used for Code Zero\/Gennaker furlers CX10,CX15,CX25,GX7.5,GX10,GX15.\u003c\/p\u003e\u003cp\u003eThe block features Acetal sheaves, glass fiber reinforced composite cheeks, stainless steel straps for increased safety and a sliding swivel locking mechanism for easy switching between swiveling shackle and fixed positions.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSubType\u003c\/b\u003e: fiddleTwinCam \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eFurler model\u003c\/b\u003e: CX10,CX15,CX25,GX7.5,GX10,GX15 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eDiam\u003c\/b\u003e: 10 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178409984341,"sku":"405-001-40R","price":144.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_52dc53ac-57c8-4ff9-a13f-17fbd1642a8a.jpg?v=1753691608"},{"product_id":"60-mm-plain-bearing-block-fiddle-swivel","title":"60 mm Plain Bearing Block - Fiddle, Swivel","description":"\u003cp\u003eThe 60 mm Fiddle Plain Bearing Block is designed for 4:1 tackles on medium-sized boats. It features acetal sheaves, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 1000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 2000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 14 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178412802389,"sku":"406-001-11R","price":68.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_8d7a0146-9659-465a-8266-dcb97bc03a27.jpg?v=1753691646"},{"product_id":"60-mm-plain-bearing-block-fiddle-swivel-becket","title":"60 mm Plain Bearing Block - Fiddle, Swivel, Becket","description":"\u003cp\u003eThe 60 mm Fiddle Becket Plain Bearing Block is designed for 4:1 tackles on medium-sized boats. It features acetal sheaves, stainless steel strap for increased safety, stiff glass fibre reinforced composite cheeks to prevent lines from wedging and a becket with detachable pin for a spliced eye. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 1000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 2000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 14 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178413588821,"sku":"406-001-12R","price":76.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_11c960e6-5036-4d7b-a53a-ceae14f8f79b.jpg?v=1753691666"},{"product_id":"60-mm-plain-bearing-block-fiddle-swivel-cam","title":"60 mm Plain Bearing Block - Fiddle, Swivel, Cam","description":"\u003cp\u003eThe 60 mm Fiddle Cam Plain Bearing Block is a 60mm plain bearing block with a 38 mm composite cam cleat. The cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eThe block is designed for 4:1 tackles on medium-sized boats and features acetal sheaves, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. \u003c\/p\u003e\u003cp\u003eSliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 360 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 720 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178413949269,"sku":"406-001-13R","price":122.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_eec3654b-0228-4ae8-acb7-d68ebc5eddbd.jpg?v=1753691669"},{"product_id":"60-mm-plain-bearing-block-fiddle-swivel-becket-cam","title":"60 mm Plain Bearing Block - Fiddle, Swivel, Becket, Cam","description":"\u003cp\u003eThe 60 mm Fiddle Cam Becket Plain Bearing Block is a 60mm plain bearing block with a 38 mm composite cam cleat. The cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eThe block is designed for 4:1 tackles on medium-sized boats and features acetal sheaves, stainless steel strap for increased safety, stiff glass fibre reinforced composite cheeks to prevent lines from wedging and a becket with detachable pin for a spliced eye.\u003c\/p\u003e\u003cp\u003eSliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 480 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 960 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178413982037,"sku":"406-001-14R","price":127.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_210773f3-f16d-4033-9c30-2ab6a1dfe636.jpg?v=1753691667"},{"product_id":"60-mm-plain-bearing-block-twin-cam-for-endless-furling-line","title":"60 mm Plain Bearing Block - Twin-Cam for endless furling line","description":"\u003cp\u003eThe PBB60 Fiddle Twin-Cam block is a 60mm plain bearing block with two 38 mm composite cam cleats to lock an endless furling line.\u003c\/p\u003e\u003cp\u003eThe cam cleat arms can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eThe Twin-Cam block is suitable for ø12 furling lines used for Code Zero\/Gennaker furlers CX45 and GX25. The block features Acetal sheaves, glass fiber reinforced composite cheeks, stainless steel straps for increased safety and a sliding swivel locking mechanism for easy switching between swiveling shackle and fixed positions.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSubType\u003c\/b\u003e: fiddleTwinCam \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eFurler model\u003c\/b\u003e: CX40,CX45,GX25 \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eDiam\u003c\/b\u003e: 12 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178415358293,"sku":"406-001-40R","price":191.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_5531fb29-8c2b-4856-94ae-8cea06648f33.jpg?v=1753691690"},{"product_id":"60-mm-ball-bearing-block-fiddle-swivel","title":"60 mm Ball Bearing Block - Fiddle, Swivel","description":"\u003cp\u003eThe BBB60 Fiddle Block features a large 60 mm primary sheave and a smaller secondary sheave, perfect for use in purchase systems.\u003c\/p\u003e\u003cp\u003eA plastic washer acts as a swivel lock, allowing the shackle to be fixed at 0° or 90°. \u003c\/p\u003e\u003cp\u003eGlass fiber reinforced cheeks and Delrin ball bearings ensure low friction and high durability under dynamic loads. Ideal for mainsail and spinnaker sheets on medium to large boats.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 1000 \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 LTD","offers":[{"title":"Default Title","offer_id":51178422010197,"sku":"406-601-10R","price":87.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_b6ddc6d4-4686-4e5a-9940-ba87675ad7a6.jpg?v=1753691807"},{"product_id":"60-mm-ball-bearing-block-fiddle-swivel-becket","title":"60 mm Ball Bearing Block - Fiddle, Swivel, Becket","description":"\u003cp\u003eThe BBB60 Fiddle Becket Block combines a large and small sheave along with a becket for added rigging flexibility.\u003c\/p\u003e\u003cp\u003eA plastic washer acts as a swivel lock, allowing the shackle to be fixed at 0° or 90°.\u003c\/p\u003e\u003cp\u003eDelrin ball bearings reduce friction, while glass fiber reinforced cheeks enhance durability. Ideal for complex rigging systems such as mainsail sheets or control lines in dynamic sailing environments.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 500 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 1000 \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 LTD","offers":[{"title":"Default Title","offer_id":51178422042965,"sku":"406-601-11R","price":89.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_6f5d75b3-906b-43a5-86fa-3bbb02324068.jpg?v=1753691811"},{"product_id":"60-mm-ball-bearing-block-fiddle-swivel-cam","title":"60 mm Ball Bearing Block - Fiddle, Swivel, Cam","description":"\u003cp\u003eThe BBB60 Fiddle Cam Block features a large 60 mm primary sheave, a smaller secondary sheave and an integrated 38 mm composite cam cleat for efficient line handling. The cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eA plastic washer acts as a swivel lock, allowing the shackle to be locked at 0° or 90°.\u003c\/p\u003e\u003cp\u003eThis block is constructed with glass fiber reinforced cheeks for strength and Delrin ball bearings for reduced friction. It is ideal for tackles where ease of adjustment and smooth operation are critical.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 360 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 720 \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 LTD","offers":[{"title":"Default Title","offer_id":51178422075733,"sku":"406-601-12R","price":176.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_b343fbe3-5db4-4f5d-8549-efb5b58b3518.jpg?v=1753691808"},{"product_id":"60-mm-ball-bearing-block-fiddle-swivel-becket-cam","title":"60 mm Ball Bearing Block - Fiddle, Swivel, Becket, Cam","description":"\u003cp\u003eThe BBB60 Fiddle Becket Cam Block is designed for versatile rigging solutions. It features a large 60 mm primary sheave, a smaller secondary sheave, a becket and an integrated 38 mm composite cam cleat. The cam cleat arm can be set to a variety of angles.\u003c\/p\u003e\u003cp\u003eA plastic washer acts as a swivel lock, securing the shackle at either 0° or 90°.\u003c\/p\u003e\u003cp\u003eThe block's glass fiber reinforced cheeks provide high strength, while the Delrin ball bearings ensure smooth, low-friction performance under dynamic loads. \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 480 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 960 \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 LTD","offers":[{"title":"Default Title","offer_id":51178422141269,"sku":"406-601-13R","price":181.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_29d2eb00-d23b-4769-860e-d6223bfbffb4.jpg?v=1753691813"},{"product_id":"70-mm-plain-bearing-block-fiddle-swivel","title":"70 mm Plain Bearing Block - Fiddle, Swivel","description":"\u003cp\u003eThe 70 mm Fiddle Plain Bearing Block is designed for 4:1 tackles and features acetal sheaves, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\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: 14 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178423320917,"sku":"407-001-11R","price":99.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_bc3d9307-716d-4e10-b424-7f7376d8e51d.jpg?v=1753691851"},{"product_id":"70-mm-plain-bearing-block-fiddle-swivel-becket","title":"70 mm Plain Bearing Block - Fiddle, Swivel, Becket","description":"\u003cp\u003eThe 60 mm Fiddle Becket Plain Bearing Block is designed for 4:1 tackles and features acetal sheaves, stainless steel strap for increased safety, stiff glass fibre reinforced composite cheeks to prevent lines from wedging and a becket with detachable pin for a spliced eye. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\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: 14 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178423386453,"sku":"407-001-12R","price":110.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_fead960d-778a-4e9a-959b-09ee4b5e4054.jpg?v=1753691854"},{"product_id":"80-mm-plain-bearing-block-fiddle-swivel","title":"80 mm Plain Bearing Block - Fiddle, Swivel","description":"\u003cp\u003eThe 80 mm Fiddle Plain Bearing Block is designed for 4:1 tackles and features glass fibre reinforced sheaves with polymer bushings, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 2000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 4000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 16 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178423976277,"sku":"408-001-11R","price":180.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_b7afebec-97e3-47b1-b628-fcaa38c8f064.jpg?v=1753691880"},{"product_id":"80-mm-plain-bearing-block-fiddle-swivel-becket","title":"80 mm Plain Bearing Block - Fiddle, Swivel, Becket","description":"\u003cp\u003eThe 80 mm Fiddle Becket Plain Bearing Block is designed for 4:1 tackles and features glass fibre reinforced sheaves with polymer bushings, stainless steel strap for increased safety and stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism to select position of the shackle, 0°, 90° or swivelling.\u003c\/p\u003e\u003cp\u003eThe becket has a detachable pin for a spliced eye. \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cb\u003eSafe working Load\u003c\/b\u003e: 2000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eBreaking Load\u003c\/b\u003e: 4000 \u003cem\u003ekg\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eMax line size\u003c\/b\u003e: 16 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178424009045,"sku":"408-001-12R","price":198.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_15a99633-1da0-4b4c-9bb7-c96fa5f3d0b3.jpg?v=1753691882"},{"product_id":"system-30-double-fiddle-with-torlon-ball-bearing-sheaves-becket-for-control-line","title":"System 30 - Double Fiddle with Torlon Ball Bearing Sheaves, Becket for Control Line","description":"\u003cp\u003eThe System 30 Performance Double Fiddle sheave End Control is designed for high performance jib\/genoa trim with 8:1 purchase. It features ø50 mm and ø30 mm machined aluminium sheaves with Torlon ball bearings separated from each other in ball cages. This prevents ball-to-ball contact and makes for low friction. The fitting is anodized aluminium with a shock absorbing rubber buffer. The hole in the base is a termination (becket) for a control line. \u003c\/p\u003e\u003cp\u003eIdeal dimension of the control line is ø7 mm. See Seldén's line packages. \u003c\/p\u003e\u003cp\u003eControl lines, article numbers and descriptions\u003c\/p\u003e\u003cp\u003e400-500-09 CONTROL LINE, BLACK  L=9000\u003c\/p\u003e\u003cp\u003e400-500-12 CONTROL LINE, BLACK  L=12000\u003c\/p\u003e\u003cp\u003e400-500-15 CONTROL LINE, BLACK  L=15000\u003c\/p\u003e\u003cp\u003e400-500-18 CONTROL LINE, BLACK  L=18000\u003c\/p\u003e\u003cp\u003e\u003cb\u003eSystem\u003c\/b\u003e: 30p \u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\u003cb\u003ePurchase\u003c\/b\u003e: 8 \u003cem\u003eN:1\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eLength\u003c\/b\u003e: 130 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eWidth\u003c\/b\u003e: 53 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178443342165,"sku":"443-304-02","price":416.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_7206287e-0cea-4b95-a18c-973680a4ca5f.jpg?v=1753692579"},{"product_id":"system-30-end-control-double-fiddle-with-torlon-ball-bearing-sheaves-becket-use-with-car-443-355-01","title":"System 30 - End Control, Double Fiddle with Torlon Ball Bearing Sheaves, Becket, Use with Car 443-355-01","description":"\u003cp\u003eThe System 30 Performance Double Fiddle\/Becket sheave End Control is designed for high performance jib\/genoa trim with 8:1 purchase in combination with main car 443-355-01. 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See Seldén's line packages. \u003c\/p\u003e\u003cp\u003eControl lines, article numbers and descriptions\u003c\/p\u003e\u003cp\u003e400-500-09 CONTROL LINE, BLACK  L=9000\u003c\/p\u003e\u003cp\u003e400-500-12 CONTROL LINE, BLACK  L=12000\u003c\/p\u003e\u003cp\u003e400-500-15 CONTROL LINE, BLACK  L=15000\u003c\/p\u003e\u003cp\u003e400-500-18 CONTROL LINE, BLACK  L=18000\u003c\/p\u003e\u003cp\u003e\u003cb\u003eLength\u003c\/b\u003e: 130 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003cb\u003eWidth\u003c\/b\u003e: 53 \u003cem\u003emm\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Selden Mast LTD","offers":[{"title":"Default Title","offer_id":51178443374933,"sku":"443-304-03","price":323.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9823\/8293\/files\/index_e62f504f-e184-40ba-8bb7-4e986496a2c9.jpg?v=1753692576"}],"url":"https:\/\/shop-uk.seldenmast.com\/collections\/fiddle-blocks-for-sailboats.oembed","provider":"Selden Yacht Store UK","version":"1.0","type":"link"}