★★★ 24-Hour Free Shipping Prime Service ★★★. Extra strong: Our barn door hardware set is constructed of high-strength powder-coated metal tracks and pulleys with the ability to hold up to 220 lbs. This 6FT single door track kit is suitable for a 36-inch-wide door. Industrial grade material and excellent forging process provide a safe and easy life for your family. Smooth sliding: Scientifically-designed, well-processed sliding tracks connect tightly and firmly, and the strong pulleys ensure every smooth and steady operation. Safety designs: Two doorstops on the track end prevent the pulley from rolling off; anti-bounce device between the door and the track helps avoid the door skipping off from the track during sliding; durable floor guide keeps the door in balance and stable.