[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] Installation is simple and convenient. This maintenance can be done by yourself, usually only a suitable shower roller and screwdriver are needed, but professional installation is recommended. [Sliding] The door uses shower door rollers double top to slide the door and save effort. Therefore, the door should 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 10-14mm glass mounting hole diameter. [Wide Use] Use our rollers to open doors and doors. sliding systems easily and smoothly. Suitable for most wet rooms, wet 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 quiet and stable. The gray wheels are both practical and comply with most decoration styles, simple and exquisite. It is an ideal choice for most shower rooms, massage rooms, bathrooms, and even furniture accessories. Specification: Material: Aluminum Alloy Gray Wheel Diameter: 25mm / 0.98inch Wheel width: 6 mm / 0.24 inch Suitable for glass doors with a thickness of about 100 cm. 4~6mm Glass mounting hole diameter is 10-14mm Other hole sizes are not suitable. Contents Scope of delivery: 4 * shower door roller