Steel City Outlet Box Cover, Octagon, Flat, Blank, 4-Inch Diameter, Galvanized

Box Cover, Octagon, Flat, Blank, 4 Inch Diameter, 1 1/2 Inch Knockout Size, Hot Rolled ASTM G 90 U, AISI C 1008 0.062 Inch Steel Material, Galvanized Finish, UL 514 A Approval, Federal Specification W J 800 Applicable Standard.