【Long Service Life】The shower door roller is made of high quality brass rod and ABS material for different kinds of showers. It is rustproof, sturdy and durable, stable in quality, and has a long service life. 【Size】Wheel diameter: 23mm, the bath mat is suitable for glass doors with a thickness of about 4-6mm. Compatible with a mounting hole diameter between 10 and 12 mm. During the day and night, it can effectively reduce the noise that occurs when the door is closed. Easy sliding: casters for shower cabins and massage cabins, bathrooms, jacuzzi and even for furniture fittings. Thanks to our rollers, the door and sliding systems can be easily and smoothly. Easy to use: the shower guide requires replacement. This repair can be done independently, for this you normally only need the right type of shower enclosure rollers and a screwdriver. 【Application】Shower door track for shower, massage cabins, bathtubs , jacuzzi and even for furniture fittings. Make sure the door or doors move easily and smoothly with our sliders. Replace your premium shower enclosure casters. Due to factors such as manual measurement and display differences, there may be slight differences between individual products and pictures, please excuse me.