20mm Double Extreme High load block with becket
Upgrade your vessel's rigging with the Allen 20mm Double Extreme High Load Block with Becket, a high-performance addition to Big Burjo's Marine Blocks range. This 20mm dynamic bearing block by Allen is designed for the toughest Australian conditions, delivering high-load performance and smooth line handling with a robust, marine-grade build. The Double Extreme design provides enhanced control and reliability, ideal for halyards and running rigging, and it is engineered for long service life in rugged on-water use.
Shop with confidence at Big Burjo's Marine for marine parts and boat parts, including this blocks selection. Free delivery Australia-wide on orders over $350. We deliver to every marina, port, coastal town in Australia, including Mooloolaba Marina, Bundaberg Port Marina and Middle Harbour. Whether you’re stocking a vessel for weekend cruising or a commercial operation, this 20mm block keeps lines running smoothly across the fleet, making it a dependable choice in any conditions.
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.