Sturdy Nylon Design: Made from nylon material, this pulley block is designed to handle harsh marine environments while effectively reducing friction during use. 460kg Load Capacity: With an impressive maximum load limit of 460kg, this heavy-duty pulley block delivers reliable performance even in rigorous situations, making it suitable for various applications. Up to 10mm Line Compatibility: Designed to accommodate lines with a maximum diameter of 10mm, this pulley block works perfectly with several types of ropes in nautical and industrial environments. Efficient Rotating Bearing System: Featuring an advanced bearing system that allows for smooth rotation, this pulley block improves operational efficiency and minimizes wear and tear. Must-Have for Marine Activities: A crucial tool for marine enthusiasts, this pulley block improves rigging setups and provides greater control while sailing on water.