20mm Extra High Load Block
The Allen 20mm Extra High Load Block is a premium blocks product built for serious sailors. This 20mm Dynamic Bearing Block features rugged construction and a high-load capacity, ideal for halyards, mainsheets, and other rigging lines. As part of Allen's trusted range, it combines reliable performance with smooth operation and long service life for marine parts and boat parts applications. Whether you’re upgrading an existing system or outfitting a new rig, this block delivers dependable efficiency on the water.
We ship across Australia, with delivery to every marina, port, and coastal town. From Hervey Bay to Townsville Marina and Geraldton Marina, no location is out of reach. Free delivery Australia-wide on orders over $350. Tags for reference include 20mm Dynamic Bearing Blocks, Allen, Blocks, Boat Care, DeckHardware. Add the 20mm Extra High Load Block to your rigging toolkit and keep your boat parts inventory ready for performance and peace of mind.
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.