4 Shower Door Wheels 22mm Shower Door Black Twin upper and bottom Roll Runners

Suitable for 4-8mm thick glass Made of high-quality materials, quiet, wear-resistant, sturdy, long service life 23mm diameter pulley can be put into the track Easy to install, the upper wheel adjusts the wheel up and down by twisting the screw, and the lower wheel uses a spring to buckle the inside of the slot Applicable to most shower rooms, steam rooms, etc., such as flat sliding doors and curved sliding doors