{"product_id":"lewmar-72mm-htx-double-block-with-swivel-head","title":"Lewmar 72mm HTX Double Block with Swivel Head","description":"\u003cp\u003e\u003cstrong\u003eLewmar 72mm HTX Double Block with Swivel Head\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Lewmar HTX Double Block with Swivel Head delivers smooth, efficient load handling for high-performance sailing applications. The twin-sheave design provides increased mechanical advantage, while the swivel head self-aligns with changing lead angles to reduce friction and sideloading. Constructed using Lewmar HTX high-strength composite technology, the block offers exceptional strength-to-weight performance and reliable operation under load. Ideal for mainsheets, control cascades, and demanding deck systems on performance cruising and racing yachts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Efficiency Load Management\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Lewmar HTX Double Block with Swivel Head is engineered to deliver smooth, efficient handling of high-load running rigging in performance-driven sailing applications. Designed to provide increased mechanical advantage with precise alignment, it supports confident sail control in demanding conditions where efficiency and reliability are essential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSwivel Head Functionality\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe integrated swivel head allows the block to align naturally with changing lead angles, reducing side-loading and unnecessary friction within the system. This self-orienting action promotes consistent rope flow and improved trimming efficiency, particularly in dynamic control systems where line direction frequently changes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHTX High-Strength Construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManufactured using Lewmar’s advanced HTX composite technology, the double block delivers exceptional strength-to-weight performance. Reinforced composite cheeks and precision-engineered sheaves are designed to withstand substantial working loads while minimising flex, friction, and long-term wear, ensuring dependable performance in high-stress environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmooth, Reliable Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOptimised sheave profiles and low-friction operation provide consistent, predictable rope movement under load. The twin-sheave configuration enables efficient and compact purchase systems, contributing to reduced trimming effort and enhanced control during sail adjustment and manoeuvres. Installation \u0026amp; Application Well-suited to mainsheets, control cascades, and other high-load deck systems, the Lewmar HTX Double Block with Swivel Head integrates seamlessly into modern performance cruising and racing yacht layouts. Its robust design and adaptable alignment make it a professional-grade solution backed by Lewmar’s proven deck-hardware expertise.\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 2x-large;\"\u003eTechnical Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eHardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eHardware Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eBlocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eBoat Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eSail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eBlock Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eDouble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eFinishes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eBlack Aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eBlock Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eDouble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eSheave Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eBoat Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eup to 30ft, 31-50ft, 51-70ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Lewmar","offers":[{"title":"Default Title","offer_id":53592407540084,"sku":"LEW29197202","price":218.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/4004\/9524\/files\/LEW29197202__15217.jpg.1428984928.jpg?v=1761717895","url":"https:\/\/velasailingsupply.com\/products\/lewmar-72mm-htx-double-block-with-swivel-head","provider":"Vela Sailing Supply","version":"1.0","type":"link"}