Description:

1-1/4 inch Concave (grooved) Steel Rollers. Ball Bearing. Plain Back Housing with Rear Adjust. 1/4-20 threaded mounting hole on the back end. Housing is 5/8 inch wide, 1 inch tall and 2-1/8 inch long with a 3/4 inch flare. Used on metal framed patio doors. Used by Smith Carry and a variety of manufacturers of patio doors.