Erfect 6.6 FT Brown Basic Wood Barn Door Steel Antique Style Sliding Hardware Track Set Coffee Hardware Only,No Door Panel. Hole distance:16 in. The hardware come with 5 year factory warranty. Hardware's suitable for door panel thickness:13.7-14.7 in. Pls make sure your wall is strong enough to hang heave door panel before buying. Track's length should be twice of the door panel. Two rollers can bear weight 220lb.