Enhance the functionality of your sliding mirror doors with this durable mirror door bottom roller. Crafted with a robust combination of mill plastic and steel, it ensures smooth and reliable operation, reducing noise and wear over time. The 1-1/2 inch diameter roller is designed to fit seamlessly into your existing system, making it a perfect choice for effortless maintenance and improved performance. Whether updating an older system or building a new one, this roller assembly offers an excellent solution for ensuring your doors glide effortlessly and quietly.