Blanco 511-633 Rondo Single-Basin Drop-In or Undermount Granite Bar Sink, Metallic Gray Ideal secondary bowl or bar sink 80% solid granite silgranit material features the touch and feel of Natural stone Required outside cabinet: 18 inch Highly-resistant to scratching and chipping and heat-resistant to 536 degree Limited lifetime warranty 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 536DegreeF Limited lifetime warranty