Features & Details 【 RIGHT SIZE FOR DOOR 】- 11 FT sliding barn door hardware kit can hold up to 330lbs load capacity. The track length should be twice the door's width. Therefore, the maximum width of the door is 5.5 FT/167 cm, and the suitable door thickness is 1.37-1.77"/35-45 mm. At the same time, it is better to leave 6"/15 cm clearance above the door. 【 HEAVY CARBON STEEL 】- Double barn door hardware kit is a great design to slide your doors more smooth. The help of the kit can also be labor-saving and space-saving. It constructs with 0.24"/6 mm carbon steel and coated in a black powder to nicely stay rust-free, abrasion-proof for long-term service. 【 EASILY SLIDING DETAIL 】- The J-shaped hangers are made of upgraded nylon, and a whole track splicing expansion connects the heavy carbon steel track. Details as above can reduce friction between rollers and the track. Sliding smoothly and quietly can be available. 【 PRACTICAL DESIGNS 】- 4 x anti-jumps go on the top of the door to keep the door not lifted off the track. 4 x floor guides fix on the floor to ensure the balance of the door. 4 x door stoppers install on the two sides of the track to set the sliding door hardware at any position. They ensure you open and close your door securely. 【 SETUP & VERSATILE 】- The sliding barn door kit is solid, one-piece construction. All the necessary hardware is included to simplify the installation steps. It is suitable for all kinds of indoor and outdoor spaces: bedroom, dressing room, kitchen, barns, garages, and stables, etc.