Heavy-duty nylon garage door rollers, 4.5 cm to 12.0 cm axle (4-pack (120 mm garage door roller, 4-pack))

Function: Equip your garage door with this electric door roller, which ensures smooth and efficient operation for easy entry and exit.
[Material] This roller is made of metal and nylon, which improves durability and service life and meets the demands of daily use.
[Size] This roller has a diameter of 46 mm and a length of 120 mm, fits most standard garage doors, and is available as a replacement or upgrade.
[Package] The package includes 4 electric roller door rollers, perfect for replacing old, worn, noisy, or damaged rollers.