An exclusive design, this hand-hammered brass bar sink is designed to be over or undermounted. From our Brightwork Collection the shiny brass is named after the brightwork of a ship and its hammering will make it a focal point to your bar or prep area! Make a statement with this show-stopping sink! This sink will naturally patina if left untreated. • Special care and maintenance required. Slight variations may exist. This sink requires a 2.5" Drain (Compatible drain model NS-403PB not included) No overflow.Exterior Dimensions: 13" diameter - may vary by .25"Interior Dimensions: 10.5" diameter - may vary by .25"Glowing brass finish will coordinate perfectly to your rooms decor.Hand hammered, individual variations will existNominal dimensions, handmade sink measurements may vary by up to 1/4 ''''.16 GaugeMount Type: Undermount or OvermountSink Type: Undermount or OvermountBowl Type: Single BowlSink Shape: RoundDrain Opening: 2.5 takes a junior duo drainDrain Included: NoCompatible Nantucket Sinks Drain model/SKU: NS-403PB