Adj DR Roll Assembly

Adjustable 1-1/2-in Steel Sliding Patio Door Roller Assembly. This is a plain back patio door roller assembly with a 1-1/2 in. concave steel ball bearing roller. The stamped steel housing is 3/4 in. wide, with a 7/8 in. flare, and is 1-9/16 in. tall. Features a rear adjusting threaded mounting hole on the back end. Used by Harcar and a variety of other sliding patio door manufacturers.