WOW – this is so beautiful and a great way to incorporate one of the hottest door styles into your home. The industrial barn door style sliding door kit, with 2.0 m (78") upper track in stainless steel, is made for door thickness of 35 to 45 mm (1 3/8" to 1 3/4"). The jump-proof system has ball bearing rollers and all hardware including anchors is included. Intended for residential light duty use, the lag bolt and pre-drilled track makes for a simple installation. Specs are: Load capacity: 33lbs to 165lbs; rail: 78-3/4"; required door thickness: 1-3/8" to 1-3/4"; required door width: 24" to 36".