{"product_id":"lewmar-72mm-htx-single-toggle-head-block-black-29197221","title":"Lewmar 72mm HTX Single Toggle Head Block – Black | 29197221","description":"\u003ch2\u003eLewmar 72mm HTX Single Toggle Head Block – Black\u003c\/h2\u003e\u003cp\u003eThe Lewmar HTX 72mm Single Toggle Head Block is a high-load sailing block built for halyard and mast-base applications where the attachment point needs to articulate with the working load. The toggle head is designed to align naturally with the direction of pull, reducing unwanted side loading on both the block and the attachment stud — a critical advantage on frequently adjusted, heavily loaded systems.\u003c\/p\u003e\u003cp\u003eThe HTX range is built from high-quality materials with a straightforward, reliable construction: strong aluminum side cheeks, a central plain bearing optimized for high loads, and Delrin side-thrust ball bearings for smooth operation across the full load range. It’s well suited to modern line technology and reduced line diameters common on performance cruising and racing rigs.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 29197221\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheave Diameter:\u003c\/strong\u003e 72 mm (2-13\/16\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Single sheave, toggle head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Line Diameter:\u003c\/strong\u003e 9\/16\" (14 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Load Limit:\u003c\/strong\u003e 4,405 lbs (2,000 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking Load:\u003c\/strong\u003e 8,800 lbs (4,000 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 410 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black HTX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 743683204319\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eToggle head attachment — articulates with the working load to reduce side loading\u003c\/li\u003e\n\u003cli\u003eStrong aluminum side cheeks for high-load durability\u003c\/li\u003e\n\u003cli\u003eCentral plain bearing optimized for efficiency under high loads\u003c\/li\u003e\n\u003cli\u003eDelrin side-thrust ball bearings for smooth, consistent operation\u003c\/li\u003e\n\u003cli\u003eGrub screw swivel head locking mechanism\u003c\/li\u003e\n\u003cli\u003eBlack HTX finish — built for performance cruising and racing applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHalyard systems on performance cruising and racing sailboats\u003c\/li\u003e\n\u003cli\u003eMast-base block applications requiring toggle articulation\u003c\/li\u003e\n\u003cli\u003eHigh-load control-line systems using modern, reduced-diameter line\u003c\/li\u003e\n\u003cli\u003eFrequently adjusted, heavily loaded running-rigging applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment Note\u003c\/h3\u003e\u003cp\u003eConfirm the 72 mm sheave size, 14 mm maximum rope diameter, attachment-stud dimensions, block-jaw clearance, toggle-pin dimensions, and required working load before installation. Toggle-head blocks must match the existing mast or deck attachment correctly — line diameter alone is not enough to confirm fitment.\u003c\/p\u003e\u003ch3\u003eRelated Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-72mm-htx-block-single-black-9-16-14mm-line\"\u003eLewmar 72mm HTX Single Block – Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-72mm-htx-block-double-black-9-16-14mm-line\"\u003eLewmar 72mm HTX Double Block – Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-72mm-htx-block-fiddle-black-9-16-14mm-line\"\u003eLewmar 72mm HTX Fiddle Block – Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-72mm-htx-block-footblock-black-9-16-14mm-line\"\u003eLewmar 72mm HTX Footblock – Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-60mm-htx-block-single-black-1-2-12mm-line\"\u003eLewmar 60mm HTX Single Block – Black\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lewmar-72mm-htx-block-single-web-single-9-16-14mm-line\"\u003eLewmar 72mm HTX Web Single Block – Black\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This block is the right choice for mast-base halyard applications where the lead angle changes as the sail is hoisted or lowered. The toggle head lets the block pivot with the load rather than fighting it — which reduces wear on both the block and the attachment point over time. It’s particularly well suited to performance cruisers and racers running modern, smaller-diameter high-strength lines.\u003c\/p\u003e\u003cp\u003eThe critical fitment check on a toggle-head block is the mast-base attachment geometry, not just the rope size. Confirm the stud diameter, jaw width, and toggle-pin dimensions alongside the 14 mm rope capacity and 2,000 kg working load before ordering. If you don’t need the toggle articulation, the standard \u003ca href=\"\/products\/lewmar-72mm-htx-block-single-black-9-16-14mm-line\"\u003e72mm HTX Single\u003c\/a\u003e is a simpler alternative at the same sheave size.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51250734727204,"sku":"239-29197221","price":250.14,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/2546822a-55ca-4efd-9b36-d3088c935325.png?v=1786603323","url":"https:\/\/marisolmarine.com\/products\/lewmar-72mm-htx-single-toggle-head-block-black-29197221","provider":"Marisol Marine Company","version":"1.0","type":"link"}