20mm High Load Double Block
$176.05 AUD
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20mm High Load Double Block
$176.05 AUD
Shipping calculated at checkout.
Introducing the Allen 20mm High Load Double Block — a two-sheave, high-load block with dynamic bearings designed for serious boats. Engineered for durability and efficiency, this marine-grade block handles demanding rigging with smooth line travel and reliable performance under load. The compact 20mm size makes it ideal for halyards, control lines, and other deck hardware, while Allen’s construction ensures long-lasting corrosion resistance in saltwater environments. Perfect for deck systems across Australia’s diverse waterways, this block pairs well with standard blocks and fittings while delivering dependable operation for competitive sailing and everyday boat care.
We ship across Australia and deliver to every marina, port, coastal town, including Pittwater, Rose Bay Marina and Middle Harbour. Free delivery Australia-wide on orders over $350. As part of our range of marine parts for boats, this Allen block is a reliable choice among blocks.
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.
