12 ga G-90 grade galvanized steel coversCaptivated stainless steel cover screws thread into sealed wellsOil-resistant gasket and adhesiveSeams continuously welded and ground smoothNo holes or knockoutsGrounding stud on inside back of box
nVent HOFFMAN A664GSC A90GS Enclosure, 6 in L x 6 in W x 4 in D, NEMA 3 NEMA Rating, Steel