16 1/2 Inch Solid Copper Round Double Wall Vessel Sink (Satin Nickel Finish) - this sink is made from solid copper with a stylish hand hammered texture. It measures 16 1/2 inches in diameter by 6 3/4 inches high. Its drain size diameter is 1 5/8 inches. This style of sink is shown in a Satin Nickel Finish and it comes in several other finishes. The matching finish overflow tube is included. A matching drain plug is available (not included).