8-piece shower door roller single wheel, including 4 top rollers and 4 bottom rollers. Suitable for replacing shower door rollers. The wheel diameter is 23mm, and the wheel width is 6mm. The minimum glass installation hole is 11mm, and the maximum glass thickness is 6mm. The distance between the center of the installation hole and the edge of the glass is 18mm. The shower door roller is made of brass rod and ABS plastic material, which is rust proof, sturdy and durable. Equipped with screws and plastic cover. These single shower door rollers are suitable for glass shower doors. The sliding door roller kit allows the door to slide and save effort. Convenient hardware for sliding glass shower doors. The bath path is easy to move and install. It can also move the door to save your space. Color: As shown in the picture Package includes: 8 * rollers Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. 2. Colors may vary depending on the monitor, please understand. Hello, please pay attention to your shipping address when purchasing products.If your delivery information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be correct