ATTENTION: The package of this hardware set includes the door handle,lock and floor guide , if there is any part missing during the ship, please feel free to contact with us and we will ship missing part to you as soon as possible. If you want to buy extra sets of Hanger to install more doors, Please contact with us. 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. 1. Hole-spacer of the rail is 16". It is good for the wall stub. 2. Detailed instruction: use both words and pictures to display the steps of installing the barn door hardware. 3. All the measurements are in inch rather than in centimeter. 4. All our products have "Smart Standard" Logo on the package.Brand: SMARTSTANDARD IMPORTANT: Only Smart Standard is the legal seller of this product. All product from other sellers are fake imitation and not under warranty policy.