Suitable for wooden sliding doors with a door width greater than 16cm and a door thickness greater than 2cm, such as hotel sliding doors, folding doors, kitchen sliding doors, etc. The pulley size is 7.5x2.2cm. Please check the pictures carefully for other sizes. It has strong load-bearing capacity and is suitable for the sliding and pulling needs of different door types such as home and commercial use. The pulley is made of zinc alloy, which is durable and corrosion-resistant, ensuring long-term stable operation in various environments. The equipped silent pulley reduces friction noise during the use of sliding doors and creates a quieter home or office environment. Contains 2 sets of pulley sets, each with wheels and accessories to ensure smooth sliding of the door body, suitable for double-opening or multi-door applications., Manufacturer: YINETTECH