[ Material]Made of stainless steel, the Single Wheel Lifting Rope Pulley Block is not only but also easy to clean. The sturdy construction gives it a good load capacity. Mute pulley, no noise, smooth and effortless, allowing it to support weights of up to 800 pounds. [Superior Groove Wheel]Each U-shaped single pulley set comes with four self-tapping screws and four yellow expansion pipes, and each pulley set has four holes, This size is suitable for flat belts with a width of 3-12 mm. It can be easily mounted on walls, wood and metal surfaces. [Mute Duplex Bearings Design]Silent duplex bearing design not only makes the pulley smoother but also greatly reduces the friction, ensuring that the cable pulley rotates quietly, smoothly and smoothly when used. [Easy to Use]Mark the holes before installing the pulley then use a 10mm drill bit to make 4 holes in the wall, insert the yellow expansion pipes into the holes and then fix the pulley with self-tapping screws. [Wide Application]The pulley is widely used in various applications such as fitness equipment, DIY attachment for home gym pulley systems, wire rope traction, inverted tracks, rolling gates, sliding gates, and wire rope rail devices. Colour:Silver Material:Stainless steel Wheel: 48x22mm Package Contents: 2x U Groove Pulley 1set x Expansion tube screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.