SMARTSTANDARD 10FT Heavy Duty Double Door Sliding Barn Door Hardware Kit, Smoothly and Quietly-Easy to Install-Includes Step-by-Step Installation Instruction Fit 30 Wide Door Panel. Why choose us: With 1/3 of the cost, you can get the same quality products here! This hardware kit is provided along with a completely turnkey experience. Simple and easy to install: Professional instruction and customer service team help you solve all installation problems in time. Save the cost of finding a carpenter or decoration team. Package included: A Barn Door Kit 2x 5.0FT Rails, 8x Rail Spacers, 4x Rollers, 4x Door Stops, 4x End Caps, 2x Floor Guides, 1xRail Connector; Pre-drilled hole spacer is 16 for American wall stud. Can be installed on both wooden wall and concrete wall. Works for double doors. All other necessary hardware is included as you see in the pictures. Door weight capacity: 150lbs-220lbs, Fit door panel width: 30, Door panel thickness: 1 3/8” and 1 3/4”. Right choice for your house: This modern twist on the classic barn door not only saves space, it allows the ability to open up multiple rooms without the annoyance of a swinging door. This new SMARTSTANDARD Country Black Steel Sliding Barn Wood Door Hardware can transform your doorway into a side sliding entry. This is a popular new way to bring innovation into the home and close off bedroom and side room in a stunningly unique way. Hole spacer of the rail is 16. It is good for the wall stub. Detailed instruction: use both words and pictures to display the steps of installing the barn door hardware. All the measurements are in inch rather than in centimeter. All our products have “SmartStandard” Logo on the package. 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. For the return case.