Whitehaus WHNU1618-BSS Noah'S Collection 18 1/8-Inch Single Bowl Undermount Sink, Brushed Stainless Steel 18 gauge, 304 series stainless steel 18/8 chrome and nickel content Full undercoat under sound deadening pads 3 1/2" Rear center drain opening Includes mounting hardware and a template Matching Grid WHN1913G 18 gauge, 304 series stainless steel 18/8 chrome and nickel content Full undercoat under sound deadening pads 3 1/2" rear center drain opening Includes mounting hardware and a template