【Long Service Life】The shower door roller is made of high-quality brass rod and ABS material for different types of showers. It is rust-proof, sturdy and durable, with stable quality and a long service life. 【Size】Wheel diameter: 23 mm, the bath mat is suitable for glass doors with a thickness of approximately 4 to 6 mm. Compatible with mounting hole diameters between 10 and 12 mm. During the day and at night, it can effectively reduce the noise generated when the door closes. Easy Sliding: Rollers for shower enclosures and massage cabins, bathrooms, whirlpools, and even furniture fittings. With our rollers, the door and sliding systems can be moved easily and smoothly. Easy to Use: The shower guide needs to be replaced. This repair can be done by yourself; usually, only the correct shower enclosure rollers and a screwdriver are required. 【Application】Shower door track for showers, massage cabins, bathtubs, whirlpools, and even furniture fittings. Ensure that the door(s) move easily