8pcs 2in U Groove Wheels for Sliding Door Track Rail Sliding Gate Roller

304 Steel Material: This wheel track rail is made of steel material which is water proof, resistance, strong and durable for long time service. Good Function: This groove wheel can ease the vibration, no noise and smooth operation. It design with specially lightweight and easy maintenance, a really practical tools. Easy to Install: The nut disassembly method is more convenient than the installation method of the circlip shaft, and the pulley wheel installation is simple and convenient, The nut is not easy to loosen, and the pulley adopts self-locking screw to lock the rotating shaft. Wide Application: U groove wheel is suitable for many scenes, such as sliding door, home fitness device, wire rope traction, material movement and handling, home DIY kit sunshade sail, wave sun cover, clothes drying, as well as lifting cargo, suitable for a variety of home and industrial scenes. Warm Tips: Item size has been marked in the picture in detail, please kindly check it before you purchase. If there is any problem, welcome to send us the email. Thank you.