Material: POM
Color: Black
Size: Thickness: 7/20" (9mm), Diameter: 9/10" (22mm)
Small size, light weight, easy to install warehouse door components.
Installed under the track, the upper part of the door, preventing the door from popping out from the side when moving, unique design, ensuring its smooth and stable work.
Can help you secure the barn door and prevent it from sliding out. It is suitable for a variety of warehouse door use and is a good warehouse door accessory.
Package includes: 2 sets of warehouse door hopping resistant parts (4pcs).