{"product_id":"50mm-dynamic-bearing-quad-block","title":"50mm Dynamic Bearing Quad Block","description":"\u003cp\u003eIntroducing the Allen 50mm Dynamic Bearing Quad Block from Big Burjo's Marine. This blocks type gear is built for serious Australian sailors, delivering reliable, smooth line handling for halyards and sheets. With a 50mm dynamic bearing quad configuration, it provides quiet operation under load and robust marine-grade construction that stands up to rugged deck use. A must-have for marine parts and boat parts seekers.\u003c\/p\u003e\n\n\u003cp\u003eDesigned by Allen, this block is a durable solution for performance-focused yachts and workboats. Its quad sheave arrangement helps control multiple lines with reduced friction, enhancing deck hardware reliability and easing sail trim. Suitable for coastal cruising and offshore passages, it pairs well with standard 50mm rope systems and other 50mm components used in blocks and deck fittings.\u003c\/p\u003e\n\n\u003cp\u003eFree delivery Australia-wide on orders over $350. We deliver to every marina, port, coastal town in Australia, including Cockle Bay, Darwin Harbour and Port Douglas. Big Burjo's Marine ships quickly across the country, ensuring professional, secure delivery to your favourite waterside locations for marine parts, boat parts, and blocks.\u003c\/p\u003e","brand":"Allen","offers":[{"title":"Default Title","offer_id":42962273599586,"sku":"A2056","price":434.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/6935\/2034\/files\/0001603_50mm-dynamic-bearing-quad-block_600.webp?v=1779692247","url":"https:\/\/bigburjos.com\/products\/50mm-dynamic-bearing-quad-block","provider":"Big Burjo's Marine","version":"1.0","type":"link"}