Blanco 516213 Precision 16-Inch 1-1/2 Bowl, Stainless Steel, 16 Inch 18-Gauge, 304 Series Stainless Steel Required outside cabinet is 36 inch Bowl depths are 10 inch and 8 inch Drain is not included; features sound deadening insulation Limited lifetime warranty 18-Gauge stainless steel Bowl depth 10-Inch and 10-Inch Outside dimensions 33-Inch by 18-Inch Undermount sink Drain width 3-1/2-Inch 18-Gauge stainless steel Bowl depth 10-Inch and 10-Inch Outside dimensions 33-Inch by 18-Inch Undermount sink Drain width 3-1/2-Inch