Blanco 442076 Diamond Equal Double Low Divide Undermount, Biscuit Bowl depths: 9-1/2 inch & 9-1/2 inch with drain measuring 3-1/2 inch (drain not included) Required outside cabinet 36"-cutout size: 32-1/4"x21-1/4"-cutout corner radius: 5/8" 80% solid granite, unsurpassed clean ability backed by industry leading 7 patents Heat resistant up to 536 degrees F., resistant to scratches, Stains and all household acids and alkali solutions Limited lifetime warranty