{"product_id":"double","title":"40mm Double Dynamic Block","description":"\u003cdiv\u003e\n\u003ch3\u003e40mm Dynamic Double Swivel Block\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e40mm Dynamic Double Swivel Block\u003c\/strong\u003e is a high-performance, double-sheave pulley designed for keelboats and dinghies. Manufactured from\u003cstrong\u003e \u003c\/strong\u003ehigh-strength, lightweight glass-loaded nylon and featuring Allen's advanced Dynamic Bearing Technology, it delivers smooth, efficient line handling for mainsheets, jib sheets, spinnaker sheets, and control line systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDouble-sheave design for efficient load distribution and purchase systems\u003c\/li\u003e\n\u003cli\u003eManufactured from lightweight, high-strength glass-loaded nylon\u003c\/li\u003e\n\u003cli\u003eIdeal for mainsheet, jib sheet, spinnaker sheet, and keelboat control line applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Dynamic Bearing System\u003c\/strong\u003e with twin rows of stainless-steel ball bearings running on a stainless-steel rail\u003c\/li\u003e\n\u003cli\u003eCaged ball bearings for reduced friction and enhanced rolling performance\u003c\/li\u003e\n\u003cli\u003eSuperior load-carrying capability and long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e360° Swivel Head\u003c\/strong\u003e fitted with a 5mm shackle for flexible attachment and optimal load alignment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwivel Lock System\u003c\/strong\u003e allows the shackle to be locked in 90° orientations when required\u003c\/li\u003e\n\u003cli\u003eSwivel lock can be removed easily by undoing the shackle and removing it from the swivel pin\u003c\/li\u003e\n\u003cli\u003eDesigned for smooth, reliable performance in demanding marine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":57196755550583,"sku":"A20402","price":76.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9863\/files\/A20402.jpg?v=1781800430","url":"https:\/\/allenbrothers.co.uk\/products\/double","provider":"Allen | Performance Sailing Hardware","version":"1.0","type":"link"}