12 Inch Solid Copper Small Round Undermount Sink (Satin Nickel Finish) - this sink is made from solid copper with a stylish hand hammered texture. It measures 12 inches in diameter by 5 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).