Specification: Item: 4FT Stainless Single Door Hardware Kit Material: Stainless Steel Fit Door Panel Thickness: About 1.37″ to 1.57″ Maximum Door weight: 220lb for each door Exclusive Upgrade Design: Door Stops with Spring: can reduce vibration and noise during opening and closing the door, and extend the life of the kit. Oval Rail Connector: easy to install, the wheels can pass the rail smoothly. Wide Applicability: Suitable for indoor decoration in kitchen, bedroom, dressing room, laundry room, Utility room, Entertainment console, club, pub and so on. Can the rail be cut down in size? But we have many sizes can be spliced. For convenience if you need the size specially, please contact with us. How to Choose Rail Size? Single Door Rail Length= 2 x Single Door Panel Width. (If your door width is 2FT, You will need 4FT Kit for single door) 3. What if my studs don’t line up with the pre-drilled holes in the rail? Attach a header board into your studs first, and then the rail can attach anywhere into the header board. PREMIUM MATERIAL–Track and Roller: High quality stainless steel (Gcr15 roller wheel bearing), anti-rust and anti-corrosion, ensures years of beauty and longevity. Slide smoothly and quietly. DOOR WEIGHT CAPACITY–Max. 4ft single kit fits door panel width: 24″ or less than 24″, fits wood door panel thickness:1 3/16″- 1 5/8″. Widely used for both modern and rustic style, like kitchen, bedroom. EASY to INSTALL– Clear and professional Step-by-Step Insturction help you install it in short time, save the cost of finding a carpenter and enjoy DIY your own barn door. PACKAGE INCLUDES– 4FT track (SPLICED), 2xhangers, 2xdoor stops, 1x floor guide, 1x install instruction and other accessories. Door is Not Included. 24 HOURS SUPPORT — specialize in barn door hardware many years, if any troubles you have, pls let us know. We are whole day online to solve your problem.