[High-quality material] The shower door roller is made of aluminum alloy and ABS material, which is wear-resistant, safe, sturdy, and durable. [Convenient installation] The installation is simple and convenient. This maintenance can be done by yourself. Generally, only a suitable shower roller and screwdriver are needed, but professional installation is recommended. [Sliding] The door uses double-top shower door rollers to slide the door and save effort. Therefore, the door must be balanced to prevent swinging and ensure smooth operation. [Size] The wheel diameter is 25mm and the wheel width is 6mm. Suitable for 4-6mm thick glass doors, compatible with a glass mounting hole diameter of 10-14mm. [Wide use] Use our rollers to open doors and sliding systems easily and smoothly. Suitable for most shower rooms, powder rooms, and steam rooms. Features: Made of high-quality materials, wear-resistant, safe, sturdy, and durable. There is no noise when the roller slides on the rail, which is