Strong Nylon Construction Made from durable nylon material, this heavy-duty pulley block is designed to withstand demanding marine conditions while maintaining low friction for optimal performance. 460 kg Working Load Capacity With an impressive working load limit of 460 kg, this pulley block is suitable for demanding marine and industrial applications. Maximum Rope Diameter 10 mm Designed to accept rope diameters up to 10 mm, it is compatible with various rope types used for sailing or other applications. Bearing System for Smooth Operation Equipped with a sophisticated bearing system, this block delivers smooth rotation, reduces wear, and improves overall efficiency. Practical and Versatile Ideal for rigging and line tension tasks on boats, as well as hoisting and pulling in industrial settings. Applications and use scenarios - Marine rigging and sail handling on sailboats, for halyards, sheets, and line tension tasks requiring a strong, low-friction pulley. - Dockside or shipyard work for lifting, pulling, or tensioning lines where a robust 460 kg capacity is advantageous. - Industrial rope systems and workshop tasks that require a reliable pulley block capable of handling rope up to 10 mm in diameter.