Blanco 511-632 Rondo 17-11/16-Inch Bar Sink, Anthracite Finish Ideal secondary bowl or bar sink 80% solid granite Silgranit material features the touch and feel of natural stone Required outside cabinet: 18" Highly-resistant to scratching and chipping and heat-resistant to 536 degree Limited lifetime warranty Overall: 17-11/16-Inch Diameter Self Rimming or under mount installation Silgranit Bowl: 15-1/4-inch Diameter x 6-5/8-inch Deep Resistant to scratches, stains, and all household acids and alkali solutions