Wells Sinkware SSU3319-9 18-Gauge Undermount Single Bowl Kitchen Sink, Stainless Steel 18 gauge undermount Type 304 Premium stainless steel Scratch resistant matte finish Heavy duty sound absorbent coating & padding Intelli-Pressed seamless one-piece construction 3/16" reveal cutout template Drain openings: 3 1/2", drain placement: offset towards back Mounting hardware included Limited lifetime warranty Complies with ASMEA 112.19.3-2008/CSA B45.4-08