Pass Seymour® Standard blank wallplate with center opening. Box mounted. Type-302 stainless steel, non-magnetic. Brushed finish. This alloy contains 18% chromium and 8% nickel for superior resistance to corrosion. Packaged in protective film with finish-matching screws. Paintable to match plastic plates. Can be silk-screened or engraved and custom punched with over 300 opening styles. For use in food processing plants, dairies, chemical plants and other industrial, institutional and commercial applications where corrosive atmospheres exist.