Nantucket Sinks NS03i 23-Inch 18-Gauge D-Bowl Undermount Stainless Steel Kitchen Sink Exterior Dimensions: 23.625" x 21.125" Interior Dimensions: 21" x 19" Bowl Depth: 9" 18 Gauge 304 Stainless Steel Coated with Custom Insulation and Rubber Padding to Reduce Condensation and Noise Bottom Grid Available (BG2421) Satin Finish