1. Our microwave oven turntable roller is suitable for microwave ovens, and the maximum diameter is 11 inches/28cm. Please refer to the measurement before you buy it. 2. Made of high-quality plastic material, wear-resistant, not easy to break, and durable. 3. Equipped with a metal bracket, which is more stable and not easy to deform. 4. Easy to install, you can install the turntable roller in a few simple steps. If you have any questions about our products, please feel free to contact us, we will provide you with the best service.