19mm Single Ball Bearing Bolt Down Block
Improve your vessel's handling with the Sea Sure 19mm Single Ball Bearing Bolt Down Block. This high-quality block is part of our Blocks range and is designed for Australian boat owners who demand reliability on every voyage. Featuring a single ball bearing for smooth line movement, a generous 19mm sheave, and a bolt-down mounting for secure, vibration-resistant operation, it delivers consistent performance in marina and offshore conditions. Built to endure salt, sun, and spray, Sea Sure blocks are trusted by skippers for deck hardware where every turn matters.
Free delivery Australia-wide on orders over $350. We ship to every marina, port, and coastal town across Australia, including popular stops like Rose Bay Marina, Manly Harbour, and Newcastle Marina, ensuring you can keep your lines tight wherever you sail. Ideal for halyards, control lines, and other rigging, this 19mm block provides dependable performance alongside other marine parts and boat parts in our range of blocks and DeckHardware from Sea Sure.
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.