Prime-Line 1-1/4 in. Nylon Ball Bearing Sliding Door Roller Assembly

This is a "F" tab patio door roller assembly with a 1-1/4 in. concave nylon ball bearing roller. 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 housing is 9/16 in. wide with a 3/4 in. flare, 1-1/16 in. tall and a rear adjusting screw. Used by King Mirror and a variety of other patio door manufacturers.