{"title":"Harken 18mm Blocks","description":"\u003cp\u003eThe 18mm block from Harken is one of the smallest in the range but is extremely popular and will be seen on a variety of boat sizes.\u003c\/p\u003e\n\u003cp\u003eThe Harken 18mm block range are all soft attach blocks which can be lashed, tied or spliced to your boat. These popular 18mm pulley blocks come with a break load of up to 450kgs.\u003c\/p\u003e\n\u003cp\u003eExplore other Harken block and pulley sizes on our \u003ca title=\"Harken blocks\" href=\"https:\/\/www.sailingchandlery.com\/collections\/blocks-and-pulleys\/harken\"\u003eHarken blocks\u003c\/a\u003e page.\u003c\/p\u003e","products":[{"product_id":"harken-t18-18mm-double-carbo-air-block","title":"Harken T18 18mm Double Carbo Air Block - 2158","description":"\u003ch2\u003eHarken T18 18mm Double Carbo Air Block - 2158\u003c\/h2\u003e \u003cp\u003eThe Harken T18 double block ties, splices and lashes anywhere. Perfect for downhauls, outhauls, and other lightweight control systems on dinghies, skiffs, and beach catamarans.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSheave Ø - 18mm\u003c\/li\u003e \u003cli\u003eLength - 28mm\u003c\/li\u003e \u003cli\u003eWeight - 17g\u003c\/li\u003e \u003cli\u003eMaximum line Ø - 5mm\u003c\/li\u003e \u003cli\u003eMaximum working load - 204kg\u003c\/li\u003e \u003cli\u003eBreaking load - 680kg\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":29903187935296,"sku":"2158","price":43.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0138\/5899\/6288\/files\/7576f783-597f-48ec-9c11-41dcace12f72.jpg?v=1769580768"},{"product_id":"harken-t18-18mm-carbo-air-block-narrow","title":"Harken T18 18mm Carbo Air Block - Narrow - 2161","description":"\u003ch2\u003eHarken T18 18mm Carbo Air Block - Narrow - 2161\u003c\/h2\u003e \u003cp\u003eThe Harken T18 block ties, splices and lashes anywhere. Perfect for downhauls, outhauls, and other lightweight control systems on dinghies, skiffs, and beachcats.\u003c\/p\u003e \u003cp\u003eThis is the narrow version of the block which has no hole at the top for splicing the line through.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSheave Ø - 18mm\u003c\/li\u003e \u003cli\u003eLength - 28mm\u003c\/li\u003e \u003cli\u003eWeight - 7.2g\u003c\/li\u003e \u003cli\u003eMaximum line Ø - 5mm\u003c\/li\u003e \u003cli\u003eMaximum working load - 125kg\u003c\/li\u003e \u003cli\u003eBreaking load - 450kg\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":29903188361280,"sku":"2161","price":24.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0138\/5899\/6288\/files\/617ee500-5963-423b-83bc-210f524e80a9_b284bda4-0f35-4508-8246-e29517c6407a.jpg?v=1769580772"},{"product_id":"harken-t18-18mm-carbo-air-block","title":"Harken T18 18mm Carbo Air Block - 2698","description":"\u003ch2\u003eHarken T18 18mm Carbo Air Block - 2898\u003c\/h2\u003e \u003cp\u003eThe Harken T18 block ties, splices and lashes anywhere. Perfect for downhauls, outhauls, and other lightweight control systems on dinghies, skiffs, and beachcats.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSheave Ø - 18mm\u003c\/li\u003e \u003cli\u003eLength - 28mm\u003c\/li\u003e \u003cli\u003eWeight - 7.2g\u003c\/li\u003e \u003cli\u003eMaximum line Ø - 5mm\u003c\/li\u003e \u003cli\u003eMaximum working load - 125kg\u003c\/li\u003e \u003cli\u003eBreaking load - 450kg\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":29903196782656,"sku":"2698","price":24.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0138\/5899\/6288\/files\/335988c9-870c-4bdd-98f7-9b2eeb3b04c5_e478bc42-446c-4539-9e34-a81a10057ec4.jpg?v=1769580916"},{"product_id":"harken-t18-18mm-triple-carbo-air-block","title":"Harken T18 18mm Triple Carbo Air Block","description":"\u003ch2\u003eHarken T18 18mm Triple Carbo Air Block - 2180\u003c\/h2\u003e \u003cp\u003eThe Harken T18 Triple block ties, splices and lashes anywhere. Perfect for downhauls, outhauls, and other lightweight control systems on dinghies, skiffs, and beach catamarans.\u003c\/p\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eSheave Ø - 18mm\u003c\/li\u003e \u003cli\u003eLength - 28mm\u003c\/li\u003e \u003cli\u003eWeight - 28.4g\u003c\/li\u003e \u003cli\u003eMaximum line Ø - 5mm\u003c\/li\u003e \u003cli\u003eMaximum working load - 272kg\u003c\/li\u003e \u003cli\u003eBreaking load - 499kg\u003c\/li\u003e \u003c\/ul\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":56336044130687,"sku":"2180","price":60.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0138\/5899\/6288\/files\/c5749abf-c7fa-4b68-8627-9d90ad3caec6_88896eee-96d5-4932-ac43-2b060790471c.jpg?v=1769581451"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0138\/5899\/6288\/collections\/harken-light_7cdca68c-62e0-453f-8a48-523e767a3930.jpg?v=1775826942","url":"https:\/\/www.sailingchandlery.com\/collections\/harken-18mm-blocks.oembed","provider":"Sailing Chandlery","version":"1.0","type":"link"}