Nantucket Sinks ZR3322 33-Inch Pro Series Single Bowl Self-Rimming Kitchen Sink, Stainless Steel Exterior Dimensions: 33" x 22" Interior Dimensions: 31" 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