Description:

1-1/4 inch concave (grooved) steel roller. Ball bearing. F-tab housing with rear adjust. 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. Housing is 5/8 inch wide with a 11/16 inch flare, 1-1/4 inch tall and 1-27/32 inch long (not including the inner roller housing).