Blanco 511-602 Diamond Equal Double Bowl Kitchen Sink, Anthracite Finish 80% Solid granite, Silgranit material features the touch and feel of natural stone Required outside cabinet is 33" Flat deck is ideal for both drop-in and undercount installations Bowl depths are 9-1/2" Limited lifetime warranty Overall: 33-Inch x 22-Inch Self Rimming or under mount installation Silgranit Both Bowls: 14-1/2-inch x 17-inch x 9-1/2-inch Cutout size: 32-1/4-inches x 21-1/4-inches; Cutout corner radius: 5/8-Inches