Hole The shower door roller is made of brass rod and ABS plastic, rust-proof, strong and durable. Complete with screws and plastic cover. These single shower door rollers are suitable for glass shower doors. The sliding door roller set allows the door to slide with less effort. Utility fittings for glass sliding doors in the shower. Bathtub slides are easy to move and install. Also, the door can be slid to save space. The sliding door roller set allows the door to slide and save effort. This keeps the door balanced, prevents tipping and ensures smooth operation. Fit - Suitable for glass thickness: 4-8mm glass, 10-14mm glass hole. Roller diameter: 25mm Easy to install: Bathtub slides are easy to move and install. Also, the door can be slid to save space and get a better look. Useful Hardware - Practical hardware for sliding glass doors in the shower. Whether day or night, it can effectively reduce the noise generated when the door is closed. Features: Easy sliding rollers for easy