- [Appropriate Size]: Diameter of sealed garage door roller is about 1.81″(46mm), Total length: 4.72″(120mm), Stem Length: 4.11″(104.5mm), Thickness of the rollers is about 0.47″(12mm).
- [Quality & Durable]: The garage door rollers is made of nylon and metal material, high hardness and strong wear resistance.
- [Smooth & Quiet]: Quality nylon is softer and quieter than plastic or metal rollers; balls bearing reduces rotational friction between roller and shaft.
- [High Function]: Designed with the reinforced double wall bearing caps prevents dust and dirt from penetrating into the bearing, ensuring better operation of the warehouse door.
- [Easy Installation]: Garage door rollers match most residential garage doors, easy to install, effectively extend the service life of garage door rollers. (Please confirm the size before purchasing.)