{"product_id":"riayer-single-swivel-sailing-block-marine-pulley","title":"RiaYer Single Swivel Sailing Block | Compact Marine Pulley (35mm\/50mm)","description":"\u003cdiv class=\"product-description-wrapper\" style=\"font-family: inherit; color: inherit; line-height: 1.5; font-size: 1em;\"\u003e\n    \u003c!-- 1. Short Description \/ Subtitle --\u003e\n    \u003cdiv style=\"border-bottom: 1px solid #e5e5e5; padding-bottom: 15px; margin-bottom: 20px;\"\u003e\n        \u003cp style=\"font-size: 1.1em; font-weight: bold; margin: 0; color: #333;\"\u003e360° Free Rotation Head. Hybrid T316 SS \u0026amp; PA66 Construction. Available in 35mm \u0026amp; 50mm.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- 2. Overview --\u003e\n    \u003ch2 style=\"font-size: 1.2em; font-weight: bold; margin-bottom: 8px; margin-top: 0; color: #333;\"\u003eOverview\u003c\/h2\u003e\n    \u003cp style=\"margin-bottom: 20px;\"\u003eEliminate line twists and ensure smooth operation with the \u003cstrong\u003eRiaYer Single Swivel Sailing Block\u003c\/strong\u003e. Featuring a precision-engineered \u003cstrong\u003e360° Swivel Head\u003c\/strong\u003e, this block automatically rotates to align with the load, drastically reducing friction on your lines. The construction utilizes a professional hybrid blend: \u003cstrong\u003eT316 Marine-Grade Stainless Steel\u003c\/strong\u003e for the load-bearing straps and shackle, combined with a lightweight, wear-resistant \u003cstrong\u003ePA66 Nylon body\u003c\/strong\u003e. Available in \u003cstrong\u003e35mm\u003c\/strong\u003e and \u003cstrong\u003e50mm\u003c\/strong\u003e sizes, it is the reliable choice for control lines, halyards, and mainsheets.\u003c\/p\u003e\n\n    \u003c!-- 3. Key Features --\u003e\n    \u003ch3 style=\"font-size: 1.1em; font-weight: bold; margin-bottom: 8px; color: #333;\"\u003eKey Features\u003c\/h3\u003e\n    \u003cul style=\"margin-bottom: 20px; padding-left: 20px; list-style-type: square;\"\u003e\n        \u003cli style=\"margin-bottom: 5px;\"\u003e\n\u003cstrong\u003e🔄 360° Free Swivel:\u003c\/strong\u003e The headpost rotates freely around its axis, allowing the block to turn and follow the direction of the rope. This prevents the line from jamming or twisting during operation.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom: 5px;\"\u003e\n\u003cstrong\u003e⚓ Hybrid Composite Build:\u003c\/strong\u003e Engineered for the marine environment—T316 Stainless Steel provides rust-proof strength for the shackle and straps, while the reinforced Nylon body reduces weight without sacrificing durability.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom: 5px;\"\u003e\n\u003cstrong\u003e💪 High Working Load:\u003c\/strong\u003e Compact yet powerful. The 35mm version supports a Working Load Limit (WLL) of 1,800 lbs, and the 50mm version handles up to 3,100 lbs (1406 kg).\u003c\/li\u003e\n        \u003cli style=\"margin-bottom: 5px;\"\u003e\n\u003cstrong\u003e⚙️ Low-Friction Bearings:\u003c\/strong\u003e Equipped with smooth-running bearings that reduce resistance, making it easier to trim sails and adjust lines under heavy tension.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom: 5px;\"\u003e\n\u003cstrong\u003e📏 Two Professional Sizes:\u003c\/strong\u003e Precision-machined in 35mm (for up to 7\/16\" lines) and 50mm (for up to 1\/2\" lines) to perfectly match your specific rigging needs.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003c!-- 4. Specifications --\u003e\n    \u003ch3 style=\"font-size: 1.1em; font-weight: bold; margin-bottom: 8px; color: #333;\"\u003eSpecifications\u003c\/h3\u003e\n    \u003cdiv style=\"overflow-x: auto; margin-bottom: 20px; border-top: 1px solid #e5e5e5;\"\u003e\n        \u003ctable style=\"width: 100%; min-width: 400px; border-collapse: collapse;\"\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold; width: 45%;\"\u003eSheave Diameter\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e35mm (1-3\/8\") \/ 50mm (1-15\/16\")\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold;\"\u003eHead Motion\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e360° Free Rotation\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold;\"\u003eMax Line Size\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e7\/16\" (11mm) \/ 1\/2\" (12.7mm)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold;\"\u003eWorking Load (WLL)\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e1,800 lbs (816 kg) \/ 3,100 lbs (1406 kg)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold;\"\u003eBody Length\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e2\" (35mm) \/ 2-13\/16\" (50mm)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold;\"\u003eBody Width\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e1-3\/8\" (35mm) \/ 2\" (50mm)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold;\"\u003eTotal Thickness\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e7\/8\" (35mm) \/ 1-1\/8\" (50mm)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5; font-weight: bold;\"\u003ePin Diameter\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px 5px; border-bottom: 1px solid #e5e5e5;\"\u003e3\/16\" (Standard for both)\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e","brand":"RiaYer","offers":[{"title":"35 MM \/ 1 Pcs","offer_id":48108545245434,"sku":"B0DFZ3LS6M","price":15.99,"currency_code":"USD","in_stock":true},{"title":"35 MM \/ 2 Pcs","offer_id":48131920822522,"sku":null,"price":20.99,"currency_code":"USD","in_stock":true},{"title":"35 MM \/ 4 Pcs","offer_id":48500610531578,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"35 MM \/ 6 Pcs","offer_id":48500610564346,"sku":null,"price":56.99,"currency_code":"USD","in_stock":true},{"title":"35 MM \/ 8 Pcs","offer_id":48500610597114,"sku":null,"price":71.99,"currency_code":"USD","in_stock":true},{"title":"50 MM \/ 1 Pcs","offer_id":48108545278202,"sku":"B0DFZ4DWRX","price":20.99,"currency_code":"USD","in_stock":true},{"title":"50 MM \/ 2 Pcs","offer_id":48108545310970,"sku":"B0FL1LD1BB","price":29.99,"currency_code":"USD","in_stock":true},{"title":"50 MM \/ 4 Pcs","offer_id":48500610629882,"sku":null,"price":56.99,"currency_code":"USD","in_stock":true},{"title":"50 MM \/ 6 Pcs","offer_id":48500610662650,"sku":null,"price":80.99,"currency_code":"USD","in_stock":true},{"title":"50 MM \/ 8 Pcs","offer_id":48500610695418,"sku":null,"price":107.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/9701\/0170\/files\/riayer-single-swivel-sailing-block-pulley.jpg?v=1778477605","url":"https:\/\/riayer.com\/products\/riayer-single-swivel-sailing-block-marine-pulley","provider":"RiaYer","version":"1.0","type":"link"}