KOHLER 441595, Large, Biscotti 80% solid granite, silgranit material features the touch and feel of Natural stone Undermount installation - undermount clips are provided 1-3/4 bowl with low-divide 9-1/2-in bowl depth Required outside cabinet is 36-in Drains NOT included. - Bowl Depths: 9-1/2" & 9-1/2" Required outside cabinet: 36" - Cutout Size: Template provided with approximate 1/8" reveal - Low-Divide Bowl 80% solid granite - Heat resistant up to 536 Degree F- Unsurpassed clean ability baked by industry leading 7 patents! Resistant to scratches, stains and all household acids and alkali solutions - Limited lifetime warranty