Feature: 1. BEST CHOICE FOR A HOUSE: Modern style of the classic barn door not only saves space, but can also open multiple rooms without the hassle of experiencing a revolving door. 2. SCOPE OF APPLICATION: High strength industrial grade rails and pulleys can easily withstand a load of 230 pounds; Very suitable for doors with thicknesses between 1 3/8 to 1 3/4 inches. Selected materials and excellent forging techniques provide your family with a safe and secure life. 3. STABLE STRUCTURE: Two anti jump discs are used to keep the rollers on the track, and a two shaped guide rail that is upside down can stabilize the bottom, preventing it from swinging when moving left and right. This is the modern style door of a classic barn that not only saves space, but can also open multiple rooms. 4. COMPLETE ACCESSORIES: Expansion screws for cement wall, ordinary screws for wooden wall, cabinets, etc. The rural style is suitable for interior decoration such as kitchens, bedrooms, changing rooms, clubs, bars, etc; The waterproof and rust proof pipeline kit is also a good door accessory for barns, garages, stables, etc. 5. CARBON STEEL MATERIAL: Made of premium carbon steel material, the tracks are strong and sturdy, wear resistant, ensuring long term easy operation. Specification: Item Type: Sliding Door Track Material: Carbon Steel Style: Single door splicing style Color: Black. Package List: 4 x Steel Plate 2 x Pulley5 x Pipe Clamp5 x Pipe Clamp Ring 13 x Screw 7 x Expansion Pipe 4 x Iron Ring Piece 2 x Limiter2 x Anti Dislodgement Block 1 x Stopper1 x Wrench1 x Manual Note: 1. The wall above the door opening must be load bearing, and wall cast in place with red bricks or concrete can be directly installed. If non load bearing wall such as foam or hollow bricks require the installation of wooden blocks.2. The distance from the top of the door opening to the ceiling should be greater than (16 centimeters plus the width of the door pocket), and for the large wheel model, it should be greater than (21 centimeters plus the width of the door pocket). For the straight arm model, there should be at least (14 centimeters plus the width of the door pocket) of space with no curvature and a length of 25 centimeters3. The installation of the wall should be on the same horizontal plane, with one wall located on the left and right sides about the same width as the door opening, in order to be pushed open. (If there are protrusions on the wall on the side where the door is open, please inform customer service of the thickness)4. There are no foot lines, door jamb lines or other protruding decorations on the wall, and the thickness of the door panel is 4 centimeters.