Cooper ANTIMICROBIAL 2-Gang Stainless Steel Decorator Wallplate Cover GFCI GFI Standard Size Plate Measures 4.5" High by 4.56" Wide Special antimicrobial coating gives the stainless finish a darker tone similar to an oil-rubbed finish Agion Antimicrobial Additive is EPA registered for use as a product ingredient to protect the product by inhibiting discoloration and staining Matching Stainless Steel Mounting Screws Included Stamped from 0.032" (0.81mm) thick 302/304 stainless steel material