Blanco 516224 16-Inch Precision R10 Medium Single Bowl Undermount Sink, Stainless Steel Precision 16 inch designs maximize the sinks functionality while protecting the integrity of your precious stone Countertops Drain not included Required outside cabinet: 21 inch 18 gauge, 304 series Stainless Steel 18/10 Chrome/Nickel Content 18-Gauge stainless steel Bowl depth 10-Inch Outside dimensions 19 inches by 18 inches Undermount sink Drain width 3-1/2 inches