Prime-Line N 6790 Roller Assembly, 1-7/16 in Dia Roller, 1/8 in W Roller, Steel, Bottom Mounting

N 6790 is a stamped steel housing with a 1-7/16 in nylon roller attached used on Acme mirrored doors. The tabs on the side insert into a slot in the door frame and is locked in by the offset tabs installing into the same slot. To remove, just insert a thin screwdriver or knife to align the lower tabs with the slot and pull the unit out of the slot.