High Quality Material: The Exterior Barn Door Hardware Made of premium steel black powder coating, it is waterproof and rust resistant, preventing the kit from scratching, Barn Door Kit provides silent, smooth and steady rolling. Door weight capacity: 330 lbs; fit for door width up to 42"; fit for door thickness from 1.18" to 1.96". Easy to Install: Barn Door Track and Hardware Kit with Upgraded Combination Track Mode design and Includes Step-by-Step Installation Instruction manual ,Professional install instruction and customer service team to help you solve all problems in time. Step by step service save your cost of finding a carpenter and enjoy joyful DIY. Less Space Occupy: Compared with normal sliding doors, Sliding Barn Door Hardware Kit are more space-saving, the space behind your door is not bound, you can easily stack items behind the door, it is your space becomes more neat, this is the biggest reason why we choose barn door system. Package Includes: A Barn Door Hardware Kit comes with (7 feet splicing track, Rail Spacers, 2x Rollers, 2x Door Stops, 2x Anti-jump Discs,1x Floor Guide,1x Hex Key; All other necessary hardware is included as you see in the pictures.) DOOR NOT INCLUDED. Service Assurance: We ensure you will get everything you need in a timely manner,we will ship replacement at first time if missed or broken parts from U.S warehouse, any problem in using Interior Sliding Barn Door Hardware Kit, our professional staff in the barn door hardware field will answer questions for you in 24 hours.