Long Service Life- The shower door roller is made of high quality brass shaft and ABS material. It is rustproof, sturdy and durable, stable in quality and has a long service life. Push- The sliding door wheel set allows the door to slide and save effort. This keeps the door balanced, prevents it from swinging and ensures smooth operation. Suitable for- The bathroom slider is suitable for glass doors with a thickness of approximately 4 to 6mm. Compatible with glass mounting hole diameter between 23mm. Easy Installation- The bath runner is easy to move and install. It can also move the door to save space, more beautiful. Practical hardware- A practical hardware for sliding glass shower door. Day or night, it can effectively reduce the noise that occurs when the door is closed.