Custom build sliding barn doo, change hardware, railing length, to match application. Wheels are made from 3" OD Delrin, railing is 2x1/4" flat bar, railing holde can be welded or bent as drawing is 2"x 3/16 flat bar, Straps to hold doo are 2"x 10ga, tee nuts use to mount counteunk hardware into the doo and header.