{"product_id":"harken-57mm-aluminum-mastcollar-esp-block","title":"Harken 57mm Aluminum Mastcollar ESP Block","description":"\u003cp\u003e\u003cstrong\u003eHarken 57mm Aluminum Mastcollar ESP Block\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.\u003c\/p\u003e\n\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: 100.059%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eSheave Ø (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e57 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eSheave Ø (in)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e2 1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eLength (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e93.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eLength (in)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e3 11\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eWeight (g)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e122 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eWeight (oz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e4.3 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eMaximum line Ø (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eMaximum line Ø (in)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e5\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eMaximum working load (kg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e850 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eMaximum working load (lb)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e2100 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eBreaking load (kg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e1900 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eBreaking load (lb)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e4190 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eClevis pin Ø (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eClevis pin Ø (in)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e5\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53591863198068,"sku":"HR6050","price":76.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/4004\/9524\/files\/6050-1.jpg?v=1772516799","url":"https:\/\/velasailingsupply.com\/products\/harken-57mm-aluminum-mastcollar-esp-block","provider":"Vela Sailing Supply","version":"1.0","type":"link"}