Blanco 516220 16-Inch Precision R10 Medium Equal Double Bowl Undermount Sink, Stainless Steel Drain not included Cutout size: template provided with approximate 1/8'' reveal Required outside cabinet: 36 inch 18 gauge, 304 series Stainless Steel 18/10 Chrome/Nickel Content 18-Gauge stainless steel Bowl depth 10-Inch and 10-Inch Outside dimensions 32 inches by 18 inches Undermount sink Drain width 3-1/2 inches