G1943-u Industrial Exposed Work Cover, 4 In L, 4 In W, Square, 1-gang, Steel, Galvanized

4 in square 1/2 in raised 3-in-1 universal industrial surface covers are used to attach a 1.406 in, 1.59 in or 1.72 in single receptacle device directly onto 4 in square boxes in a industrial setting. The flush design of the adapters allow for a clean look.