Factory Direct Heavy Duty Sliding Door Pulley Industrial Door Track Accessories Folding Door Push-Pull Door Hanging Track Steel Pulley, made of high-quality steel, has super load-bearing capacity and wear resistance, suitable for sliding installation of various heavy-duty sliding doors, folding doors, and push-pull doors. The pulley is finely designed and easy to install, ensuring smooth door operation and reducing noise. It is an ideal choice for both home and industrial use. Direct supply from the factory ensures quality and affordable prices.