Ideal secondary bowl or bar sink 80% solid granite Silgranit material features the touch and feel of natural stone Required outside cabinet: 18" Heat-resistant up to 536 degree and highly-resistant to scratching, staining and all household acids and alkali solutions Limited lifetime Bowl depth: 6-5/8-Inches Required outside cabinet: 21-Inches 80% solid granite, SILGRANIT material features the touch and feel of natural stone; Highly resistant to scratching and chipping Flat deck is ideal for undermount installation; 6 undermount clips required - sold separately Cutout size: 16 15/16-Inches