Feature: 1. Space Saving: This barn door sliding hardware allows the door to be slid open, which saves space compared to a regular swinging door. 2. 2 Anti Jump Discs: This barn door hardware kit has 2 anti jump discs to keep the rollers on the rail and an upside down two shaped rail that stabilizes the bottom and prevents it from wobbling as it moves from side to side. 3. Wide Application: This barn door hardware set has a wide range of applications and is suitable for kitchens, bedrooms, dressing rooms, clubs, bars and other interiors. 4. Excellent Carbon Steel Material: This barn door hanging rail set is made of excellent carbon steel material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 5. Easy Installation: This barn door hardware kit is very easy to install, you just need to fasten it with screws according to mannual. Specification: Item Type: Sliding Door Track Style: Double Door Splicing Type Color: Black Material: Carbon Steel. Package List: 2 x Steel Plate4 x Pulley5 x Pipe Clamp5 x Pipe Clamp Ring21 x Screw9 x Expansion Pipe4 x Iron Gasket4 x Limiter4 x Anti Dislodgement Block2 x Swing Stopper2 x Wrench1 x Manual Note: 1. The wall above the doorway must be able to load bearing, with red brick or concrete cast in place walls can be installed directly. If it is foam or hollow brick and so on non load bearing wall need to add wood blocks 2. The distance from the top of the doorway to the ceiling should be greater than 16 cm plus the width of the door set.3. Installation of the wall up and down the left and right should be on the same level, the left and right should be the location of a wall and the doorway is almost wide enough to push open the position. 4. The wall does not have a foot line, door set line and other prominent decorative objects, the door wrench thickness is 4 centimeters.