{"product_id":"lewmar-50mm-synchro-block-fiddle-w-becket-black-1-4-3-8-line-239-29925034","title":"Lewmar 50mm Synchro Fiddle Block – Becket, Black, 1\/4”–3\/8” Line","description":"\u003ch2\u003eTwo-Sheave Performance with a Built-In Anchor Point\u003c\/h2\u003e\u003cp\u003eThe Lewmar 50mm Synchro Fiddle Block with Becket combines the smooth, multi-part line handling of a fiddle configuration with a fixed becket attachment point — giving you everything you need to anchor a purchase system in a single, compact block. The high-density, free-spin plain bearing and self-aligning swivel head keep friction low under load, while the patented shackle post lock makes rigging fast and tool-free.\u003c\/p\u003e\u003cp\u003eStainless steel straps and glass-fibre reinforced cheeks deliver lasting durability without adding unnecessary weight to your rig.\u003c\/p\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMainsheet and vang purchase systems requiring a fixed anchor point\u003c\/li\u003e\n\u003cli\u003eCunningham and outhaul systems on dinghies and small keelboats\u003c\/li\u003e\n\u003cli\u003eRunning rigging where a two-sheave block with becket is needed\u003c\/li\u003e\n\u003cli\u003eMulti-part control line systems on performance sailboats\u003c\/li\u003e\n\u003cli\u003eLine sizes: 1\/4” to 3\/8” (6–8mm)\u003c\/li\u003e\n\u003cli\u003eBlock size: 50mm sheave diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConfiguration: Fiddle (double sheave, staggered) with becket\u003c\/li\u003e\n\u003cli\u003eSheave diameter: 50mm\u003c\/li\u003e\n\u003cli\u003eLine range: 1\/4”–3\/8” (6–8mm)\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eBearing: High-density free-spin plain bearing\u003c\/li\u003e\n\u003cli\u003eHead: Self-aligning swivel\u003c\/li\u003e\n\u003cli\u003eConstruction: Stainless steel straps, glass-fibre reinforced cheeks\u003c\/li\u003e\n\u003cli\u003eAttachment: Patented shackle post lock\u003c\/li\u003e\n\u003cli\u003eSKU: 239-29925034\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e The fiddle-with-becket is the anchor block in a purchase system — the becket gives you the fixed attachment point to build mechanical advantage, while the fiddle sheaves handle the working and standing parts of the line. It’s the ideal lower block in a 2:1 or 3:1 mainsheet or vang system on dinghies and small keelboats in the 16–26 ft range. If you also need a cam lock-off, step up to the \u003ca href=\"\/products\/lewmar-50mm-fiddle-block-w-cam-becket-black-1-4-3-8-line-239-29925039bk\"\u003eFiddle with Cam \u0026amp; Becket\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eOther 50mm Synchro Blocks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-block-single-black-1-4-3-8-line-239-29925001bk\"\u003e50mm Synchro Block – Single, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-block-synchro-block-double-black-1-4-3-8-line-239-29925002bk\"\u003e50mm Synchro Block – Double, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-block-synchro-block-triple-black-1-4-3-8-line-239-29925003\"\u003e50mm Synchro Block – Triple, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-double-block-becket-black-29925005bk\"\u003e50mm Synchro Block – Double with Becket, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-block-single-w-becket-cam-black-1-4-3-8-line-239-29925009\"\u003e50mm Synchro Block – Single with Becket \u0026amp; Cam, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-block-triple-w-becket-cam-black-1-4-3-8-line-239-29925010\"\u003e50mm Synchro Block – Triple with Becket \u0026amp; Cam, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-block-halyard-black-1-4-3-8-line-239-29925021\"\u003e50mm Synchro Halyard Block, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-fiddle-block-black-1-4-3-8-line-239-29925031bk\"\u003e50mm Synchro Fiddle Block, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-synchro-block-fiddle-w-cam-black-1-4-3-8-line-239-29925037\"\u003e50mm Synchro Block – Fiddle with Cam, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-50mm-fiddle-block-w-cam-becket-black-1-4-3-8-line-239-29925039bk\"\u003e50mm Synchro Fiddle Block – Cam \u0026amp; Becket, Black\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Synchro Block Sizes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-60mm-synchro-block-single-black-5-16-3-8-line-239-29926001bk\"\u003e60mm Synchro Blocks – 5\/16”–3\/8” Line\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-72mm-synchro-block-single-black-3-8-1-2-line-239-29927201\"\u003e72mm Synchro Blocks – 3\/8”–1\/2” Line\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-90mm-synchro-block-single-w-becket-black-1-2-9-16-line-239-29929004\"\u003e90mm Synchro Blocks – 1\/2”–9\/16” Line\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePair It With\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"\/products\/lewmar-synchro-snap-shackle-239-29925040\"\u003eLewmar Synchro Snap Shackle – 50mm\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250740068388,"sku":"239-29925034","price":81.57,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/11076868-8806-4ac4-b13d-e3a2c8d925a4_145dc710-50e2-4f18-ace8-276bf6ac6b61.png?v=1787026709","url":"https:\/\/marisolmarine.com\/products\/lewmar-50mm-synchro-block-fiddle-w-becket-black-1-4-3-8-line-239-29925034","provider":"Marisol Marine Company","version":"1.0","type":"link"}