Galvanized door roller: 23mm (diameter) wheels, electroplated finish, rustproof; suitable for glass doors with a thickness of 4-6 mm, glass openings are 12-14 mm. There is no sound when opening the shower door, and these glass door rollers ensure smooth sliding. It's easy to install and maintain. These replacement shower door rollers are suitable for most shower rooms, shower rooms and steam rooms and attach to the top and bottom of the shower door for easy opening and closing. Stable Gliding and No Noise: The shower stall casters are made of copper and zinc plated plastic alloy material, which has strong supporting force and rust resistance, can be used for a long time in a humid environment. Pulling the door is easy to move and there is no noise when moving feel free to contact us. Technical details Manufacturer Mmjklkm Packaging dimensions 11 x 9 x 5 cm Material glass Item weight 170g