{"product_id":"lewmar-synchro-snap-shackle-239-29925040","title":"Lewmar Synchro Snap Shackle – 50mm","description":"\u003ch2\u003eQuick-Release Attachment for Lewmar 50mm Synchro Blocks\u003c\/h2\u003e\u003cp\u003eThe Lewmar Synchro Snap Shackle is purpose-built to pair with the 50mm Synchro block series, providing a fast, secure, and tool-free attachment point for your running rigging. Designed for one-handed operation under load, the snap shackle releases instantly when you need it — making it ideal for spinnaker halyards, sheets, and other applications where quick release is critical.\u003c\/p\u003e\u003cp\u003eEngineered to the same performance standards as the Synchro block range, this shackle integrates seamlessly with the patented shackle post lock system used across the Synchro line.\u003c\/p\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLewmar 50mm Synchro block series\u003c\/li\u003e\n\u003cli\u003eSpinnaker halyards and sheets\u003c\/li\u003e\n\u003cli\u003eQuick-release running rigging applications\u003c\/li\u003e\n\u003cli\u003ePerformance sailboat rigging\u003c\/li\u003e\n\u003cli\u003eLine sizes: 1\/4” to 3\/8” (6–8mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Snap shackle with quick-release trigger\u003c\/li\u003e\n\u003cli\u003eCompatible block size: 50mm Synchro series\u003c\/li\u003e\n\u003cli\u003eOne-handed operation under load\u003c\/li\u003e\n\u003cli\u003eIntegrates with Synchro patented shackle post lock\u003c\/li\u003e\n\u003cli\u003eSKU: 239-29925040\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e This shackle is the go-to choice when you need a reliable quick-release point on a 50mm Synchro block — most commonly used on spinnaker halyards where fast, clean releases are essential. If you’re rigging a purchase system and need a fixed attachment rather than a quick release, a standard shackle may be more appropriate. Make sure to match the shackle to your block size: use the 60mm or 72mm Synchro snap shackle for larger block series.\u003c\/p\u003e\u003ch3\u003e50mm Synchro Blocks to Pair With\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-block-single-black-1-4-3-8-line-239-29925004\"\u003e50mm Synchro Block – Single, 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-synchro-block-fiddle-w-becket-black-1-4-3-8-line-239-29925034\"\u003e50mm Synchro Block – Fiddle with Becket, 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\u003c\/ul\u003e\u003ch3\u003eSnap Shackles for Other Synchro Sizes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-synchro-snap-shackle-239-29926040\"\u003eLewmar Synchro Snap Shackle – 60mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-synchro-snap-shackle-239-29927240\"\u003eLewmar Synchro Snap Shackle – 72mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-synchro-snap-shackle-239-29929040\"\u003eLewmar Synchro Snap Shackle – 90mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250740232228,"sku":"239-29925040","price":79.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/bae1fc80-e3f7-4f79-ab5d-59b6945a7fb0.png?v=1787026072","url":"https:\/\/marisolmarine.com\/products\/lewmar-synchro-snap-shackle-239-29925040","provider":"Marisol Marine Company","version":"1.0","type":"link"}