JUBEST 6 FT Brushed Nickel Sliding Barn Door Hardware Kit Smoothly and Quietly Hanger Roller Flat Track Kit, J Shape Roller Heavy Duty Nickle Barn Door Track, Easy to Install. SUPERIOR QUALITY: We specialized in sliding door and hardware for many years. Our barn door hardware is made of high quality carbon steel with nickel-plated surface. There is no need to worry about quality. You get what you pay for. DOOR WEIGHT CAPACITY:270 lb, Fit Door Panel Approx Width: 36″, door thick 1 3/8″ to 1 3/4. The track kit fits Wall Stud and Concrete Wall. All nylon wheels have been tested beyond 100,000 rolls. PACKAGE INCLUDED: 2x 3FT Rails(Easy to connect and install as a complete 6ft rail), 5x Rail Spacers, 2x Rollers, 2x Door Stops, 1x Floor Guide, 1x Hex Key; All other necessary hardware is included as you see in the pictures. VERY DETAILED INSTALLATION STEPS:We provide step-by-step graphic and text instruction. All measurements in inch. It is very easy for you to take a reference during the installation. SUPPORT: We are the manufacture of barn door hardware. We have a professional engineer team. If there is question or problem, pls let us know. We will try out best to serve you. Please wait for the result of cancellation. The order will be processed and completed by automatic warehouse system within 5 minutes. Sending direct message to cancel the order is not allowed for every case. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.