{"product_id":"harken-57mm-quad-block-swivel-with-center-becket-lightweight-and-high-load-marine-block","title":"Harken 57mm Quad Block Swivel with Center Becket - Lightweight and High-Load Marine Block","description":"\u003cp\u003e\u003cstrong\u003e57mm Quad Block Swivel, Center Becket\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave  (mm) 57 mm\u003c\/li\u003e\n\u003cli\u003eSheave  (in) 2 1\/4 in\u003c\/li\u003e\n\u003cli\u003eMaximum line  (mm) 10 mm\u003c\/li\u003e\n\u003cli\u003eMaximum line  (in) 7\/16 in\u003c\/li\u003e\n\u003cli\u003eMaximum working load (kg) 1080 kg\u003c\/li\u003e\n\u003cli\u003eMaximum working load (lb) 2380 lb\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Harken 57mm Quad Block Swivel with Center Becket is designed for demanding sailing applications where strength and reliability are essential. Constructed with low-friction Carbo Air technology, this compact block offers an optimal balance of weight and durability, making it suitable for both racing and cruising vessels. Its high working load capacity ensures safe handling of lines up to 7\/16 inches (10 mm), providing excellent performance during sail trimming and sheet management. The center becket allows for versatile rigging options, enhancing the block's adaptability to various sailing configurations. Whether upgrading your boat's hardware or installing new rigging components, this Harken block delivers professional-grade performance with ease of use. Its sturdy construction and smooth operation help reduce line wear and improve overall sailing efficiency, making it a reliable choice for serious sailors seeking quality and value. The compact size and lightweight design also make it easy to install and manage on a variety of boat sizes and setups.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSheave diameter: 57 mm (2 1\/4 inches)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaximum line size: 7\/16 inches (10 mm)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaximum working load: 2380 pounds (1080 kg)\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed with low-friction Carbo Air material\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes center becket for versatile rigging\u003c\/li\u003e\u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":44529024794666,"sku":"88765","price":151.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/88765XL.jpg?v=1783058386","url":"https:\/\/atticusgoods.com\/products\/harken-57mm-quad-block-swivel-with-center-becket-lightweight-and-high-load-marine-block","provider":"Atticus Goods","version":"1.0","type":"link"}