COVER KIT, 1-GANG TYPE; FLBC4500/FLBC4502 CONCRETE FLOOR BOX USED ON; OVERALL DIMENSION 5.7 INCH DIAMETER X 0.125 INCH THICKNESS; INCLUDES (2) THREADED PLUG, ROUND NICKEL PLATED COVER, (2) GASKET, TAMPER RESISTANT RECEPTACLE, REVERSIBLE LEVELING RING