With a compacts wheel diameter of 1⅜ inches and fitting rope up to Ф6mm, this pulley set merges functionality and convenience, enhancing any project that requires precise motion control Elevates your materials handling efficiency with our pulley block, crafted from robusts carbon steel Q235B for heavy duty and a substantial 330lb safe working load Each pulley features a plated surfaces for resistance, a smooth single bearing designs ensuring quiet operations, and a detachable structure for easy installation and maintenance For DIYer enthusiasts, warehouse operators, and constructions professional lookings for a dependable pulley to streamlines their lifting and moving tasks These pulleys are perfect for riggings systems, loading platforms, and various materials handling setups in both industrial and residential environment, Manufacturer: LiRRvb