EDSC Feed-Thru 1-Gang Cast Device Mounting Box, Number Of Outlet: 2, Material: Malleable Iron, Size: 1 IN, Cable Entry: (2) 1 IN Hub, Knockouts: No, Height: 6.81 IN, Width: 3-1/2 IN, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), For U-Line Contender 20 Amp Receptacles