Nylon quiet rollers: No noise when opening the shower door, these glass door rollers help it slide smoothly. The white rollers are ideal for your shower. Easy to install: The shower door rollers are simple to replace and install. Over time, rollers may need replacement. Installation requires only a screwdriver. Warm reminder: Before installing the shower door roller, apply silicone grease (not included) to the surface of the roller to extend its service life. Wide range of uses: The shower door rollers make it easier to open the shower door and can be used in shower stalls, shower rooms, steam rooms, massage rooms, bathtubs, hot tubs, and furniture accessories. Sliding doors and systems move smoothly and easily with these rollers. Features: Set of 8 offset rollers, suitable for replacing old shower door rollers. Low noise, strong load-bearing capacity, smooth operation, practical and labor-saving. Note: Measurements are manually taken; please allow 1-3 cm variation. Due to differences in lighting and display, colors may vary slightly. Please refer to the actual product received.