ITEM NAME:4PCS Wheel Rail Sliding Gate Roller Hardware Sliding Wardrobe Door Roller W S4T3 4PCS Wheel Rail Sliding Gate Roller Hardware Sliding Wardrobe Door Roller W S4T3 1.it has stable quality and long service life. 2.High strength, good toughness, low creep, abrasion resistance and chemical stability. 3.Move door to save space, more beautiful. Can ease the vibration, no noise and smooth operation. 4.Especially lightweight, easy maintenance 5.This u groove pulley is widely used in doors and windows to track and drive mechanical equipment. Color:Black Material:Plastic + Metal Package Contents: 4*Sliding Roller
