6FT/183CM Sliding Barn Door Hardware Track Kit with Floor Guide and Spring Damping Door Stopper, Smoothly and Quietly, Widest to 36" Wide Door (1.18" to 1.97" Thickness)Heavy Duty Sturdy: The aluminum track with Environmentally friendly materials, Carbon Steel Roller Hanger, matte black finish for ensuring anti corrosion and years of beauty and longevity. Spring Damping Door Stopper reduce the impact to track. WIDE APPLICABILITY wood plugs are used for cement walls, screws are used for wood walls and cabinets, etc. Rustic style suitable for indoor decoration in kitchen, bedroom, dressing room, club, pub and so on;