Nylon Quiet Rollers: No noise when opening the shower door, these glass door rollers help it slide smoothly. Their high-end white rollers are perfect for your shower. Easy to Install: The shower door rollers are easy to move and install. Over time, the rollers will need to be replaced. All you need for repairs is a screwdriver. Warm Reminder: Before installing the shower door roller, please apply silicone grease (package not included) to the surface of the glass door roller to extend its service life. Wide Range of Uses: The shower door rollers make it easier to open the shower door, they can be used in shower stalls, shower rooms, steam rooms, massage rooms, bathtubs, hot tubs and even furniture accessories. Sliding doors and systems move smoothly and easily with our shower rollers. Features: Set of 8 offset rollers, perfect for replacing old shower door rollers. Low noise, strong load-bearing capacity, smooth pushing and pulling, practical and labor-saving. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.