Blanco 441220 Diamond Single Bowl Silgranit II Sink, Biscotti Drain not included Bowl depth: 10'' Required outside cabinet: 27'' Cutout size: template provided with approximate 1/8'' reveal 80% solid granite 80-percent rock hard granite Bowl depth 10-Inch Outside dimensions 24 inches by 20 13/16 inches Biscotti Drain width 3-1/2 inches