Blanco 516209 16-Inch Precision Large Single Bowl Undermount Sink, Stainless Steel 18-Gauge, 304 Series Stainless Steel Required outside cabinet is 21 inch Bowl depth is 10 inch Drain is not included; features sound deadening insulation Limited lifetime warranty 18-Gauge stainless steel Bowl depth 10-Inch Outside dimensions 19 inches by 18 inches Undermount sink Drain width 3-1/2 inches