Bathroom Roller Door Set 4pack shower door rollers 23mm, Including 2 Upper Rollers and 2 Lower Rollers. with 4 sets of anti-collision blocks and stainless steel screws.The shower door rollers for curved doors can be removed and cleaned with one touch. Durable Materialshower wheels are made of copper swing + electroplated plastic alloy, strong and durable. The outer surface adopts chrome plating and gold plating process, which has the function of corrosion resistance and rust prevention, and has a long service life. Plating Door Rollers23mm diameter wheel shower rollers for curved doors, suitable for glass doors with a thickness of 4-6mm, upper and lower wheels are suitable for glass apertures of 12-14mm; the upper wheel can be adjusted by stainless steel screws to adjust the height to 8mm. The height of the lower wheel spring is automatically adjusted according to the height of the upper wheel. Easy to Slide and No NoiseThere is no noise when opening the shower door, these shower door roller help it slide smoothly. The shower door rollers for curved doors is easy to install, please make sure the roller size you want and the diameter of glass hole, if you still have trouble with it, Please feel free to contact us. Wide ApplicationThese sliding door runners are suitable for most shower rooms and steam rooms, and are installed on the top and bottom of the shower door to make it easy to open and close.