Prime-Line Steel Universal Roller Assembly For Guaranteed Products

This is a F-tab tandem roller assembly with two 1-1/8 in. concave steel ball bearing rollers installed. When the corner screw passes through the F-tab, the assembly is captured by the side stile and bottom rail as the screw draws the two sides together. The adjustable stamped steel housing is 11/16 in. wide with a 13/16 in. flare, 1-1/8 in. tall and 3-1/8 in. long. Used by a variety of sliding patio door manufacturers.