One Gang Power Outlet Receptacle Opening, 1.75" hole for 1.7186" diameter device - 2 mtg. holes, Smooth 302/304 Metal.FEATURES AND BENEFITS:• RoHS Compliant• Type 302/304 Stainless Steel, non-magnetic: .032" nominal thickness.• Brushed finish.• This alloy contains 18% chromium and 8% nickel for superior resistance to corrosion.• Recommended for use in food processing plants, dairies, chemical plants, and other industrial, institutional, and commercial applications where corrosive atmospheres exist.• Packaged in protective film, with finish-matching screws.• Variety of special plated finishes.• Paintable to match plastic plates.• Can be silk-screened or engraved, and custom punched with over 300 opening styles.