Utility box covers single receptacle steel 1-13/32 inch diameter steel box cover with single 1.406 inch receptacle opening in the center. Rugged construction. 2- 5/16 inch wide x 4- 3/16 inch tall. UL Listed. SteelDevice Cover4 in. x 2 in.Raco Handy Box Cover, 1.406 in. Dia.All covers have captive screwsOne round receptacleSteel