• Steel roller for sliding doors, offers stability and smoothness in sliding. • Contains 2 units • Use in wardrobe doors, mosquito nets, and garages, suitable for indoor and outdoor. • Easy to install and use, for expert and non-expert users. • Pulley for sliding doors keeps the door balanced, prevents wobbling. • Steel rollers, high quality, smooth surface to reduce friction. • Bearings with U-groove, increase durability, good silencing effect. • Resistant to moisture, oxidation, and wear, no need for bearing grease. • Measurements: 100 x 20 mm, material: steel.