This sliding door hardware is made of high quality steel in high temperature fine black powder coated surface ensures anti-corrosion and years of beauty and longevity. The modern twist on the classic barn door not only saves space, it allows the ability to open up multiple rooms. Suitable for indoor decoration in kitchen, bedroom, dressing room, club, pub and so on, waterproof and rust resistant tract kit also a nice door accessory for barns, garages, stables, etc. High strength industrial grade tracks and pulleys can easily hold 350 lbs. loads Great for doors 1-3/8 in. - 1-3/4 in. thickness, maximum door panel width is 72 in. Upgraded nylon wheel: the upgraded nylon wheel is tested beyond 100,000-rolls, 2-axis inside with superior quality bearing ensures it slide smooth and quiet Door stop: 2 doorstops on the track ends prevent the pulley from rolling off the track, doorstops can be located freely along the track according to your needs T-shaped floor guide: stabilizes the bottom to keep it from swinging as it's moved from side to side Anti-jumpers: go on top of the door and won't allow door to be lifted off rail unless they're turned Expansion screws are used for cement walls Ordinary screws are used for wood walls and cabinets Package included: barn door hardware kit, all assembly hardware is included as you see in the pictures, door not included Pre-install notice: only the hardware is for sale, doors are not included the hardware package has lag bolts for wooden wall/drywall/concrete wall our sliding barn door hardware kit is compatible with door thickness from 1-3/8 in. to 1-3/4 in. if you have a door trim, you would better put a header board that is as thick as the trim and then attach the rail to the header board you need to have at least 8 in. of space between the top of the door to the ceiling to accommodate the hardware we use 2 hangers to hold 1 door, for a single door kit, there will be 2 hangers in the package, for a double door kit, there will be 4 hangers, if you have a door that is either too wide or too heavy, then you can purchase additional hangers for that door Features Item Weight 22.85 Hardware Finish Family Black Color/Finish Black Material Steel Returnable 180-Day Builders Hardware Product Type Wall Mount Door Hardware Product Height (in.) 14.17 in Product Width (in.) 144 in Product Depth (in.) 2 in Manufacturer Warranty 1 Year Warranty