8 Shower Door Wheels 23mm Black 4 Upper and Bottom Roll Runners

Suitable for glass of 5-6mm thickness 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 Made of high-quality materials, quiet, wear-resistant, sturdy, long service life Applicable to most shower rooms, steam rooms, etc., such as flat sliding doors and curved sliding doors Put the upper wheel before installation, then install the lower wheel, and then adjust the upper wheel to achieve left-right balance