Novatto GRANADA Copper Drop-In Bathroom Sink, Natural Round drop-in sink with apron; Hand-hammered natural finish Drop-in installation Artisan hand crafted; 16-gauge recycled copper construction Approximate dimensions due to handmade craftsmanship: Outer 17 by 6 inches; Inner 15 by 5.5 inches 1.5-inch drain opening; Standard U.S. plumbing connection; Limited lifetime warranty