Features16, 14 or 12 ga steel or plated steelUnique keyhole screw slots in the coverOptional flush-mounted door frame availableOptional flush coversFlat, removable covers fastened with plated steel screwsProvision for groundingMounting holes on back of boxFor flush installations, order flush covers and door frames separatelyWithout knockout
Specifications(4) 3/4 to 1 in Knockout, (8) 1/2 to 3/4 in Knockout Bottom/Sides/Top