8 Piece Shower Door Rollers Single wheels, includes 4 upper rollers and 4 lower rollers. Good for replacement shower door rollers.Wheel diameter is 23mm, wheel width is 6mm. Minimum glass mounting hole is 11mm, maximum glass thickness is 6mm. The distance between the center of the mounting hole and the edge of the glass is 18mm.The shower door roller is made of brass rod and ABS plastic material, it is rust resistant, sturdy and durable. Comes with screws and plastic cover.These single shower door rollers fit glass shower doors. The sliding door roller kit makes the door sliding and effort saving.A practical hardware for the sliding glass shower door. The bath runner is easy to move and install. It can also move the door to save your space.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it