20mm Tie On Double Dynamic Block Hl
Meet the 20mm Tie On Double Dynamic Block Hl by Allen, a premium block in Big Burjo's Marine range. This marine-grade block features a tie-on 20 mm fitting and a double dynamic bearing system for smooth line flow and long-term durability. Engineered for deck use, it minimizes friction on control lines while resisting corrosion from saltwater, making it an essential upgrade for performance-minded sailors.
Big Burjo's Marine delivers across Australia, with Free delivery Australia-wide on orders over $350. We ship to every marina, port, coastal town in Australia, including busy hubs like Port Stephens, Rivergate Marina, and Manly Harbour, ensuring your new blocks arrive where you need them most and on time.
As part of our Blocks collection, this Allen block complements other marine parts and boat parts in our range, offering trusted performance for deck hardware and rigging care.
Details
Full specifications, features and technical details for this product are listed in the description above. Need help checking compatibility with your vessel, caravan or 4x4? Contact our Gold Coast team on 0416 180 996 or sales@bigburjos.com and we'll confirm fitment before you order.
Shipping & Returns
Shipping (Australia-wide): Orders over $350 AUD ship free. Orders under $350 have a $15 AUD flat-rate delivery fee. Standard delivery takes 3–11 business days depending on your location; express options (1–3 business days) are available at checkout. Orders are dispatched within 1–2 business days.
Returns: We offer a 30-day return policy. Items must be unused and in original packaging. Contact us at sales@bigburjos.com or 0416 180 996 to start a return. See our full Shipping Policy and Refund Policy for details, including your rights under Australian Consumer Law.