DescriptionThis is a sliding door roller assembly, which is made of good quality material for long time use. Widely application, It can be used for cabinet, sliding door, wardrobe, etc. Simple in structure, very easy to install. Fine workmanship ensures the long service life and smooth sliding effect. Selected material ensures the long service life.Features-Color: Silver.-Material: Nickel-plated shell + ball bearing.-Size: About 6.00X4.90X2.10cm/ 2.36X1.93X0.83inch.- Using ball bearings, rolling friction is small, smooth and quiet.- Thicken the nickel-plated shell, the stability of the nickel-plated layer in the air is high.- Due to the strong passivation ability of metal nickel, a passivation film is quickly formed on the surface, which can resist atmospheric, acid and alkali corrosion.- The product has been tested repeatedly and is durable and not easily damaged.- Simple in structure, very easy to install. Fine workmanship ensures the long service life and smooth sliding effect.