Ruvati RVK4200 Undermount 18 Gauge 32" Kitchen Sink Single Bowl, Stainless Steel 18 gauge premium 304 Grade Stainless Steel (18/10 chromium/Nickel) Dual mount installation: rim is brushed and finished to match the inside of the sink allowing the sink to be installed undermount or flush mount (top mount) Luxurious Satin finish - easy to clean and long-lasting Heavy duty sound guard padding and undercoating Exterior Dimensions: 31 1/2 inch x 18 1/4 inch