Whitehaus WHNAPEQ3322-BSS Noah's Collection 33-Inch Double Bowl Drop-In Sink with a Seamless Customized Front Apron, Brushed Stainless Steel 18 gauge, 304 series stainless steel 18/8 chrome and nickel content Full undercoat under noise reduction dampening pads 18 gauge, 304 series stainless steel 18/8 chrome and nickel content Full undercoat over sound deadening pads 3 1/2" rear center drain opening Includes mounting hardware and a template