Hand Hammered each sink is different. Nominal dimensions may vary by .25". Exterior Dimensions: 20" x 13" x 6.5". Interior bowl depth: 4". Undermount design - sink has overflow. Drain is not included - sink only. Dazzling - this stunning hand-hammered metal trough sink is a showpiece in your bath or powder room. Individually made, there can be variances in texture and in dimensions. Single overflow hole with integral overflow. Designed to be installed as an undermount. Drain is not included. Takes standard vanity pop up or umbrella drain with overflow. Simply extraordinary and can be polished back to gleaming shine anytime!