Nantucket Sinks APRON302010SR-16 30-Inch Pro Series Single Bowl Undermount Apron Kitchen Sink, Stainless Steel Exterior Dimensions: 30" x 20" Interior Dimensions: 27" x 17.5" Bowl Depth: 10" 3.5" Drain Opening 16 Gauge 304 Stainless Steel Coated with Custom Insulation and Rubber Padding to Reduce Condensation and Noise Bottom grid included with sink