Features: Fit for: 5-6mm wire ropes. Made from high quality material, durable, reliable, waterproof, anti-rust and corrosion resisting. Easy installation and convenient to use. The pulley turns more flexibly and has no noise, 360 rotation. Smooth roller provides great rope traverse. Helps to create power and superior strength in your wrist and forearms. Widely used for wire rope traction, object handling, like garage, machine loading, curtain, clothes Line, dog pulley system etc.