{"title":"Mast Blocks","description":"\u003cp\u003eBlocks specifically designed for mast installation and the management of halyards and other running rigging. They provide precise line guidance, high strength, and proper integration into standing and running-rigging systems.\u003c\/p\u003e","products":[{"product_id":"harken-40-mm-cruising-esp-blocks-mast-collar","title":"Harken 40 mm Cruising ESP blocks mast collar","description":"\u003cp\u003eMast Collar Blocks are specifically designed for installation at the mast base using pin-mounted fittings. Their main purpose is to organize and redirect halyards and control lines from the mast toward deck organizers and winches. Built with the robust aluminum frame characteristic of the ESP series, these blocks are optimized to withstand high static loads for extended periods. Their compact, articulating mounting arrangement ensures clean line flow and reduces wear caused by forced lead angles.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53261992984914,"sku":null,"price":70700000001.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-40-mm-cruising-esp-blocks-mast-collar.jpg?v=1776839804"},{"product_id":"harken-57-mm-cruising-esp-blocks-mast-collar","title":"Harken 57 mm Cruising ESP blocks mast collar","description":"\u003cp\u003eMast Collar Blocks are specifically designed for installation at the mast base using pin-mounted fittings. Their main purpose is to organize and redirect halyards and control lines from the mast toward deck organizers and winches. Built with the robust aluminum frame characteristic of the ESP series, these blocks are optimized to withstand high static loads for extended periods. Their compact, articulating mounting arrangement ensures clean line flow and reduces wear caused by forced lead angles.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53261993279826,"sku":null,"price":70700000002.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-57-mm-cruising-esp-blocks-mast-collar.jpg?v=1776839817"},{"product_id":"harken-75-mm-cruising-esp-blocks-mast-collar","title":"Harken 75 mm Cruising ESP blocks mast collar","description":"\u003cp\u003eMast Collar Blocks are specifically designed for installation at the mast base using pin-mounted fittings. Their main purpose is to organize and redirect halyards and control lines from the mast toward deck organizers and winches. Built with the robust aluminum frame characteristic of the ESP series, these blocks are optimized to withstand high static loads for extended periods. Their compact, articulating mounting arrangement ensures clean line flow and reduces wear caused by forced lead angles.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53261993443666,"sku":null,"price":70700000003.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-75-mm-cruising-esp-blocks-mast-collar.jpg?v=1776839832"},{"product_id":"harken-57-mm-cruising-esp-stainless-steel-blocks-mast-collar","title":"Harken 57 mm Cruising ESP stainless steel blocks mast collar","description":"\u003cp\u003eThese blocks combine the elegance of polished stainless steel with the critical functionality required at the mast base. Designed for attachment to mast-collar fittings, they organize and redirect halyards toward the cockpit with complete reliability. Their stainless-steel construction provides not only a premium appearance for cruising yachts but also exceptional resistance to corrosion and high static loads. They are a luxury choice for sailors seeking extreme durability and an impeccable finish in their running rigging.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53262065172818,"sku":null,"price":70700000001.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-57-mm-cruising-esp-stainless-blocks-mast-collar.jpg?v=1776840901"},{"product_id":"harken-75-mm-cruising-esp-stainless-steel-blocks-mast-collar","title":"Harken 75 mm Cruising ESP stainless steel blocks mast collar","description":"\u003cp\u003eThese blocks combine the elegance of polished stainless steel with the critical functionality required at the mast base. Designed for attachment to mast-collar fittings, they organize and redirect halyards toward the cockpit with complete reliability. Their stainless-steel construction provides not only a premium appearance for cruising yachts but also exceptional resistance to corrosion and high static loads. They are a luxury choice for sailors seeking extreme durability and an impeccable finish in their running rigging.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53262065205586,"sku":null,"price":70700000002.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-75-mm-cruising-esp-stainless-blocks-mast-collar.jpg?v=1776840937"},{"product_id":"harken-57-mm-cruising-esp-low-load-mast-collar","title":"Harken 57 mm Cruising ESP Low-Load Mast Collar","description":"\u003cp\u003eThe Harken Cruising ESP Low-Load Mast Collar Block is specifically designed to organize running rigging at the mast base. Its optimized profile redirects halyards and control lines toward the cockpit while providing excellent corrosion resistance. As part of the ESP series, it uses plain bearings that withstand constant static loads without deformation. It is an ideal solution for keeping the deck clear and efficient while providing superior durability in saltwater environments. Perfect for cruisers seeking robust, attractive, low-maintenance hardware.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53262289437010,"sku":null,"price":70700000001.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-57-mm-cruising-esp-low-load-mast-collar.jpg?v=1776842687"},{"product_id":"harken-57-mm-6-mm-cruising-esp-narrow-mast-collar","title":"Harken 57 mm 6 mm Cruising ESP narrow mast collar","description":"\u003cp\u003eThe Harken Cruising ESP Narrow Mast Collar Block is the ideal solution for organizing halyards at mast bases where space is limited. Its narrow design allows compact installation without sacrificing the high static-load capacity characteristic of the ESP range. Made with anodized-aluminum sideplates and plain bearings, it withstands continuous tension without deformation. It is perfect for leading lines neatly and efficiently toward the cockpit, providing extreme durability and reliable performance on any cruising yacht.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53262301233490,"sku":null,"price":70700000001.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-57-mm-6-mm-cruising-esp-narrow-mast-collar.jpg?v=1776842988"},{"product_id":"harken-57-mm-8-mm-cruising-esp-narrow-mast-collar","title":"Harken 57 mm 8 mm Cruising ESP narrow mast collar","description":"\u003cp\u003eThe Harken Cruising ESP Narrow Mast Collar Block is the ideal solution for organizing halyards at mast bases where space is limited. Its narrow design allows compact installation without sacrificing the high static-load capacity characteristic of the ESP range. Made with anodized-aluminum sideplates and plain bearings, it withstands continuous tension without deformation. It is perfect for leading lines neatly and efficiently toward the cockpit, providing extreme durability and reliable performance on any cruising yacht.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53262301331794,"sku":null,"price":70700000002.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-57-mm-8-mm-cruising-esp-narrow-mast-collar.jpg?v=1776843001"},{"product_id":"harken-75-mm-cruising-esp-narrow-mast-collar","title":"Harken 75 mm Cruising ESP narrow mast collar","description":"\u003cp\u003eThe Harken Cruising ESP Narrow Mast Collar Block is the ideal solution for organizing halyards at mast bases where space is limited. Its narrow design allows compact installation without sacrificing the high static-load capacity characteristic of the ESP range. Made with anodized-aluminum sideplates and plain bearings, it withstands continuous tension without deformation. It is perfect for leading lines neatly and efficiently toward the cockpit, providing extreme durability and reliable performance on any cruising yacht.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":53262301430098,"sku":null,"price":70700000003.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/harken-75-mm-cruising-esp-narrow-mast-collar.jpg?v=1776843012"},{"product_id":"ronstan-series-60-core-block™-mast-base-with-8mm-clevis-pin","title":"Ronstan series 60 Core Block™, Mast Base with 8mm Clevis Pin","description":"\u003cp\u003eThe Ronstan Core Block™ Mast Base with Clevis Pin is a high-strength block specifically designed for installation at the mast base. Its self-lubricating composite bearing technology withstands extreme static loads without deformation. The clevis-pin system provides secure direct attachment to mast fittings and optimizes the lead angle. It is an ideal technical solution for redirecting halyards and control lines toward the cockpit with maximum reliability and minimal maintenance.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":53317217321298,"sku":null,"price":70700000001.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/ronstan-series-60-core-block_-mast-base-with-8mm-clevis-pin.jpg?v=1777498151"},{"product_id":"ronstan-series-75-core-block™-mast-base-with-8mm-clevis-pin","title":"Ronstan series 75 Core Block™, Mast Base with 8mm Clevis Pin","description":"\u003cp\u003eThe Ronstan Core Block™ Mast Base with Clevis Pin is a high-strength block specifically designed for installation at the mast base. Its self-lubricating composite bearing technology withstands extreme static loads without deformation. The clevis-pin system provides secure direct attachment to mast fittings and optimizes the lead angle. It is an ideal technical solution for redirecting halyards and control lines toward the cockpit with maximum reliability and minimal maintenance.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":53317217354066,"sku":null,"price":70700000002.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/ronstan-series-75-core-block_-mast-base-with-8mm-clevis-pin.jpg?v=1777498166"},{"product_id":"ronstan-series-100-core-block™-mast-base-with-8mm-clevis-pin","title":"Ronstan series 100 Core Block™, Mast Base with 8mm Clevis Pin","description":"\u003cp\u003eThe Ronstan Core Block™ Mast Base with Clevis Pin is a high-strength block specifically designed for installation at the mast base. Its self-lubricating composite bearing technology withstands extreme static loads without deformation. The clevis-pin system provides secure direct attachment to mast fittings and optimizes the lead angle. It is an ideal technical solution for redirecting halyards and control lines toward the cockpit with maximum reliability and minimal maintenance.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":53317217419602,"sku":null,"price":70700000003.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/ronstan-series-100-core-block_-mast-base-with-8mm-clevis-pin.jpg?v=1777498180"},{"product_id":"antal-40-mm-mast-block","title":"Antal 40 mm Mast block","description":"\u003cp\u003eThe Antal Mast Block is a robust engineering solution designed to organize and redirect halyards at the mast base with maximum efficiency. Its high-strength anodized aluminum construction handles extreme static loads, while a low-friction sheave provides fast, secure line movement. The compact design allows clean installation, minimizes occupied space, and optimizes the entry angle toward organizers or clutches. It is the ideal technical solution for powerful, durable, reliable running-rigging flow.\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":53404356804946,"sku":null,"price":70700000001.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/antal-40-mm-mast-block.jpg?v=1778566796"},{"product_id":"antal-50-mm-mast-block","title":"Antal 50 mm Mast block","description":"\u003cp\u003eThe Antal Mast Block is a robust engineering solution designed to organize and redirect halyards at the mast base with maximum efficiency. Its high-strength anodized aluminum construction handles extreme static loads, while a low-friction sheave provides fast, secure line movement. The compact design allows clean installation, minimizes occupied space, and optimizes the entry angle toward organizers or clutches. It is the ideal technical solution for powerful, durable, reliable running-rigging flow.\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":53404357165394,"sku":null,"price":70700000002.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/antal-50-mm-mast-block.jpg?v=1778566809"},{"product_id":"antal-60-mm-mast-block","title":"Antal 60 mm Mast block","description":"\u003cp\u003eThe Antal Mast Block is a robust engineering solution designed to organize and redirect halyards at the mast base with maximum efficiency. Its high-strength anodized aluminum construction handles extreme static loads, while a low-friction sheave provides fast, secure line movement. The compact design allows clean installation, minimizes occupied space, and optimizes the entry angle toward organizers or clutches. It is the ideal technical solution for powerful, durable, reliable running-rigging flow.\u003c\/p\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":53404357493074,"sku":null,"price":70700000003.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/7713\/2370\/files\/antal-60-mm-mast-block.jpg?v=1778566825"},{"product_id":"antal-70-mm-mast-block","title":"Antal 70 mm Mast block","description":"\u003cp\u003eThe Antal Mast Block is a robust engineering solution designed to organize and redirect halyards at the mast base with maximum efficiency. Its high-strength anodized aluminum construction handles extreme static loads, while a low-friction sheave provides fast, secure line movement. The compact design allows clean installation, minimizes occupied space, and optimizes the entry angle toward organizers or clutches. 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