u-max 6.6 ft sliding barn wood door basic sliding track hardware kit (basic"j") u-max <b> description: </b> <br /> the sliding wood door hardware kit set is a great design for home,which is a popular new way to bring innovation into the home and close off bedroom and side room in a stunningly unique way. the door is hung on a piece of hardware with a wheel.that rolls along a track mounted to the wall. <br /> <br /> <b>important:</b> <br /> we are the manufacture of the sliding door hardware. if there is any part missed or defectived during shipping, please let us know, we will send replacement at no charge for missing/defect parts at first time.