{"product_id":"seasure-25mm-treble-block-with-shackle-00-31crd-marine-grade-stainless-steel","title":"SeaSure 25mm Treble Block with Shackle 00.31CRD, Marine-Grade Stainless Steel","description":"\u003cp\u003e\u003cstrong\u003e25mm Treble Block with Shackle\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 25mm plain bearing block range is one of SeaSure's oldest and best-selling ranges. The range uses marine-grade stainless steel side plates and rivets with an arnite (plastic) sheave, which is incredibly hard-wearing and light.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThis range could be used to create purchasing systems for lifting, garage door mechanisms, storage solutions, etc.\u003c\/li\u003e\n\u003cli\u003eThe 00.31 can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMax Rope: 8mm\u003c\/li\u003e\n\u003cli\u003eBreaking Load: 1250kg\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003eThe SeaSure 25mm Treble Block with Shackle, part number 00.31CRD, is a compact, lightweight pulley block designed for rope purchase systems and mechanical advantage applications. Built for customers who need a dependable block for marine, lifting, garage door, or storage-system projects, this treble block helps organize rope movement while supporting systems designed to reduce the load on the rope.\u003c\/p\u003e\u003cp\u003ePart of SeaSure’s established 25mm plain bearing block range, the 00.31CRD combines marine-grade stainless steel side plates and rivets with a hard-wearing arnite plastic sheave. The lightweight construction makes it practical for applications where durable components and manageable system weight are important. Its treble-block configuration can be used to create a 6:1 purchase system for lifting heavier objects, depending on the complete system design and setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreble block design:\u003c\/strong\u003e Supports multi-part purchase systems for lifting and rope-management applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6:1 purchase capability:\u003c\/strong\u003e Can be used to create a 6:1 purchase system to aid in lifting heavier objects and decrease the load on the rope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-grade construction:\u003c\/strong\u003e Stainless steel side plates and rivets provide the specified material construction for demanding system applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard-wearing sheave:\u003c\/strong\u003e Arnite plastic sheave offers a lightweight component for compatible rope systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad application range:\u003c\/strong\u003e Suitable for lifting systems, garage door mechanisms, storage solutions, and related projects.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SeaSure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 00.31CRD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 25mm treble block with shackle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Rope Size:\u003c\/strong\u003e 5\/16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking Load:\u003c\/strong\u003e 2,756 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials:\u003c\/strong\u003e Marine-grade stainless steel side plates and rivets with an arnite plastic sheave\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Overall Size:\u003c\/strong\u003e 3 inches long x 3 inches wide x 1 inch high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Weight:\u003c\/strong\u003e 0.39 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoose the SeaSure 25mm Treble Block with Shackle 00.31CRD when you need a compact block for building practical rope purchase and lifting systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSEO Meta Description:\u003c\/strong\u003e Shop the SeaSure 25mm Treble Block with Shackle 00.31CRD for durable rope purchase systems, lifting setups, and storage applications.\u003c\/p\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"SeaSure","offers":[{"title":"Default Title","offer_id":44937105440857,"sku":"100427","price":72.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/100427XL.jpg?v=1789838619","url":"https:\/\/www.marinepartsonly.com\/products\/seasure-25mm-treble-block-with-shackle-00-31crd-marine-grade-stainless-steel","provider":"Marine Parts Only","version":"1.0","type":"link"}