4PCS x Shower Door Rollers 1PCS Dual Purpose Telescopic Screwdriver ?Roller Diameter 19-23-25-27mm for The Bathroom Pan Glass Sliding Door Pulleys-Runners-WheelsCY103-4PCS -Pulley 25mm-

Applicable to most shower rooms, shower rooms and steam rooms. Please note: We only have one size screw for this link. If you need screws of different sizes, you need to purchase a set of 4 multi-functional small rollers and screws. It is used as the shell material of most shower rooms, shower rooms and steam rooms. Plastic, nylon, bearings. Copper + POM wheels, and the screws are made of stainless steel POM ABS brass shaft. Roller diameter 25mm.inner 4mm .M4screw Wheel thickness: 6mm/Shower Door thickness :4-6mm Material :Copper+POM Wheel Strong Load-bearing Capacity, Ultra-quiet