Description This garage door roller is made of good and anti-wear material, which can withstand long-lasting use. Features the nylon material, which has high durability, not easy to deform. Fine workmanship, practicality. Features -Color:White -Material:Nylon,metal -Size:10.00X4.50X4.50cm/3.93X1.77X1.77in - Superior construction: Makes the door run smoother and quieter with less stress on the door openers. - Quiet operation: Vibration and noise caused by rolling can be significantly reduced. - Well constructed: keeping dirt from getting into the bearings, ensuring the garage door works better. - Fit for many residential garage doors, such as standard garage door rails, wooden automatic door rails, and more. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience. Superior construction: Makes the door run smoother and quieter with less stress on the door openers. Quiet operation: Vibration and noise caused by rolling can be significantly reduced. Well constructed: keeping dirt from getting into the bearings, ensuring the garage door works better. Fit for many residential garage doors, such as standard garage door rails, wooden automatic door rails, and more. Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.