Slide-Co 131279 Roller Assembly, 1-1/4 in Dia Roller, 5/16 in W Roller, Steel, 2-Roller, F-Tab Mounting

D 1845 is an F tab tandem roller assembly with two 1-1/8 in concave or grooved 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 several patio door manufacturers.