【High-quality material】The middle body of the sliding door pulley is made of high-quality copper, thickened and waterproof, good load-bearing capacity, the pulley part is made of high-quality nylon, good sealing, not easy to rust, and move more smoothly. 【Smooth sliding】Shower stall rollers The surface is smooth and burr-free, and the nylon wheels are not rusty and waterproof, so they slide easily and quietly. 【Easy to use】The sliding door rollers are simple and easy to install, we are equipped with clips and screws, can be installed directly on the glass door, just make a hole in the glass door, and then the screws can be fixed. 【Wide applications】The rollers are used in many types of sliding doors, sliding doors, glass doors, doors shower, windows and other furniture accessories. It is a practical accessory for the home.