Nantucket Sinks ZR2522-16 25-Inch Pro Series Single Bowl Self-Rimming Kitchen Sink 3 Holes, Stainless Steel Exterior Dimensions: 25" x 22" Interior Dimensions: 23" x 18" 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