Nantucket Sinks NS3121-16 31-Inch 70/30 Double Bowl Undermount Kitchen Sink, Stainless Steel Exterior Dimensions: 31.5" x 20.75" Interior Dimensions: L/17" x 18.5" S/10.375" x 16" Bowl Depth: L/9" S/7" 16 Gauge 304 Stainless Steel Coated with Custom Insulation and Rubber Padding to Reduce Condensation and Noise Bottom Grids Available (BG3121L and BG3121S)