High Quality MaterialThe shower door roller is made of aluminum alloy and ABS material, which is wear-resistant, safe, sturdy and durable. Easy InstallationEasy and convenient to install, this repair can be done by yourself, it usually only requires the right type of shower roller and a screwdriver, but professional installation is recommended. SlidingDouble top shower door rollers for doors allow the door from sliding and saving effort, so the door should keep its balance, prevent it from swinging, and ensure smooth operation. SizeThe wheel diameter is 25mm, the wheel width is 6mm. suitable for glass doors about 4-6mm thick, compatible with glass mounting hole diameter between 10-14mm. Widely Used Whether doors and sliding systems can be opened easily and gently using our rollers. Suitable for most shower stalls, shower stalls and steamers. Features: Made of high quality material, which is hard-wearing, safe, sturdy and durable. Rollers do not make no noise when gliding on the track, quiet and stable. Gray wheels are both practical and match most decor styles, simple and sophisticated. It is an ideal choice for most shower rooms, massage rooms, bathrooms and even furniture accessories. Specification: Material: Aluminum alloy Color: Grey Size: Wheel diameter25mm / 0.98inch Wheel width6mm / 0.24inch is for glass doors with a thickness of approx. 4~6mm Glass mounting hole diameter between 10~14mm Other hole sizes are not suitable. Package Content: 4 * Shower Door Rollers