This new 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 standard 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 Logo on the package. WHY CHOOSE US? Our track comes in two solid pieces, instead of mutiple small pieces. It’s easier to get level, install and keep straight. As you slide the door it won’t hits the seams so the door can roll smoothly and steadily. 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? The picture shows the actual hardware you will receive. DOOR NOT INCLUDED? And we provide you with an accurate list in the Installation instruction. DOOR WEIGHT CAPACITY? Door Weight Limited 220lbs. Fit door panel thickness: 1 3/8″ to 1 3/4″. The door panel width should be at least 2 wider than half of the opening or the opening may not be fully covered. THE BEST 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.