【High-quality material】The shower door roller is made of aluminum alloy and nylon, wear-resistant, safe, sturdy and durable. 【Easy installation】Easy and convenient to install, this repair can be done by yourself, usually only requiring the right type of shower roller and a screwdriver, but professional installation is recommended. 【Sliding】The double-top shower door rollers allow the door to slide and save effort, so the door must be balanced to prevent it from tilting and ensure smooth operation. [Size] Wheel diameter 25mm, wheel width 6mm. Suitable for glass doors with a thickness of about 4-6mm, compatible with glass installation holes with a diameter of 10-14mm. Widely used: Use our rollers to open doors and sliding systems easily and smoothly. Suitable for most shower cubicles, shower cubicles and steam rooms. Note: The data are all measured manually, please allow an error of 1-3cm due to differences in light and display, there may be some color differences, please refer to the