Casters 304 Stainless Steel Pulley, Sliding Door Pulley, Door Rail Pulley, Double Groove Wheel, V-Shaped U-Shaped H-Shaped Groove Wheel

Features: Carbon steel ball double bearing, with good sliding and stability, can reduce vibration, reduce friction, reduce noise, and run smoothly. Material: The pulley is made of high quality stainless steel, fixed rail, not easy to deform, high strength, good flexibility, strong and durable. Mute Duplex Bearing Design: The Silent Duplex Bearing can greatly reduce the friction of the cable pulley and make the cable pulley rotate smoothly and stably. You can hardly hear the sound when it works. Load capacity: Heavy duty casters, double wheels, and sturdy steel structure provide powerful load capacity for the project. Use: Simple and practical road roller, using gravity to lift work, the purpose is to use ropes or wire ropes to hang heavy objects or reduce internal and external loads.