Novatto Farmhouse Pequeno Copper Kitchen Sink with Hand-Hammered Antique Finish, 25 Inch Width Single small kitchen sink with apron; Hand-hammered antique finish Drop-in or undermount installation Artisan hand crafted; 16-gauge recycled copper construction Approximate dimensions due to handmade craftsmanship: Outside 25 by 22 by 10.5-inches; Inside 21 by 18 by 10-inches 3.5-inch drain opening; Standard U.S. plumbing connection; Limited lifetime warranty