19mm Plain Bearing Double Sheave Cage Block
The Sea Sure 19mm Plain Bearing Double Sheave Cage Block is an essential piece of marine-grade hardware, meticulously engineered for reliability and performance on Australian waters. As part of the Blocks range from Sea Sure, this 19mm block delivers smooth rope travel and long-lasting durability for deck hardware on boats. Built to tackle demanding conditions, it's ideal for halyards, control lines and rigging.
With a plain bearing design and a robust cage, the double sheave provides twice the rope management in a compact form. The Sea Sure 19mm block uses corrosion-resistant materials for lasting performance in saltwater environments, making it a trusted choice for marine parts and boat parts inventories. It belongs to the Blocks, Boat Care, DeckHardware family and is suitable for sail and powerboats requiring reliable line control.
Free delivery Australia-wide on orders over $350. We deliver to every marina, port, coastal town in Australia, including Rushcutters Bay, Cairns Marina, and the Gold Coast Broadwater. For Australia’s online marine parts store, Big Burjo's Marine offers this block to help you maintain rigging with confidence.
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.