Blanco 441221 Diamond 1-1/2 Bowl Silgranit II Sink, Biscotti 80% solid granite Required outside cabinet: 33 inch Resistant to scratches, Stains and all household acids and alkali solutions Bowl depths are 9-1/2 inch and 8 inch Limited lifetime warranty 80-percent rock hard granite Bowl depth 9-1/2-Inch and 8-Inch Outside dimensions 33 inches by 22 inches Biscotti Drain width 3-1/2 inches