Anti-rust and wear resistance with solid structure, with shock light treatment, sturdy and 1.Made of stainless steel with high hardness, resistant to and rust, strong and sturdy. 4.The pulleys for lifting with rope can be used with inner and outer rope or cord for flexible sliding pulley. Easy installation for large kayaks, 3. Fixed top for easy rope handling, smooth roller makes the rope crossing unimpeded 5. Suitable for large kayaks, canoes, factories, construction, shipping, mining, household, garage, machine loading, curtain, clothesline, dog pulley system, etc.