56 Flat 1-Gang cover is suitable for using with 4 x 2 handy box. Rectangular cover in galvanized finish, features 0.03-Inch sheet steel construction. It comes in duplex receptacle configuration. It measures 2-5/16-Inch x 0.13-Inch x 4-3/16-Inch. It offers an easy means for mounting BELL® lampholders and other accessories. Cover is UL listed and CSA certified.