1 piece U Groove Roller Wheel for Bi-Fold and Turning Sliding Gate Our Bi-Fold Gates Wheel Rollers AZ-04R. These high-quality rollers are designed to provide smooth and effortless operation, making it easy to open and close your gate. Smooth Operation: Our rollers allow for easy gliding, making it effortless to open or close your gate. Durable Materials: Made with high-quality materials, these rollers are built to last, ensuring long-lasting performance even under harsh weather conditions. Versatile Design: Our AZ-04R model is suitable for turning sliding and bi-fold gates of various sizes. These rollers will make a great addition to any residential. ** For any questions: Feel free to chat with us. Our customer service rep will be answering all queries from Mondays-Friday 9 am - 6 pm **