Cast Cover, Material: Steel, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), Size: 1-7/32 IN Hole Diameter, Number Of Outlet: (1) Heavy Duty Oil Tight Push Buttons/Pilot Lights/Selector Switches, Mounting: Box, Length: 4.09 IN, Depth: 0.32 IN, For Use With JIC Series Boxes To Accommodate Heavy Duty Oil Tight Push Buttons, Pilot Lights And Selector Switches And 30.5 MM Devices