Prime-Line 1-1/4 in. D X 2.25 in. L Steel Roller Assembly 1 pk

This is a F-tab patio door roller assembly with a 1-1/4 in. concave or grooved steel 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 3/4 in. wide and 1-3/16 in. tall with a dimple width of 7/8 in.. Used by Northrup series 600 Doors and a variety of other patio door manufacturers.