Selected Materials: This Ｖ-groove pulley is made of stainless steel, ensuring its durability, rust resistance, and suitability for both indoor and outdoor environments. Smooth Movement: The pulley features dual bearings to reduce friction and noise during movement, resulting in smoother and more efficient operation. Easy Installation: The nut disassembly method for installing the pulley is simpler and more convenient than the clip shaft method, and the pulley uses self-locking screws to secure the rotating shaft and prevent loosening.