Blanco 515819 16-Inch Precision Medium Bowl Undermount Sink, Stainless Steel 18-Gauge, 304 Series Stainless Steel Required outside cabinet is 30 inch and a new design allows for easy install in 25 inch countertops Bowl depth is 10 inch and zero radius corners provide a near seamless appearance Drain is not included; features sound deadening insulation Limited lifetime warranty 18-Gauge stainless steel Bowl depth 10-Inch Outside dimensions 25 inches by 18 inches Undermount sink Drain width 3-1/2 inches