High-strength single wheel pulley made of qualified steel and nylon - sturdy, rust-proof, wear-resistant and corrosion-resistant. The lower part of the rotating pulley rotates 360 degrees prevents the rope from twisting, keeps the roller smooth and saves labor. The lifting and hoisting pulley system provides the cable machine function and saves your household space. Its small packing size allows you to take it with you and make it easy. Silent cable wheels made of strong special steel to ensure that no additional noise is generated during operation. Improved steel loading pin with a maximum load of 300kg. Self-tapping screws included for easy installation, Can be mounted on wood, walls and metal and suitable for home fitness or outdoor work.