15 Inch Solid Copper Large Square Bar/Prep Sink (Satin Nickel Finish) - this sink is made from solid copper with a stylish hand hammered texture. It measures 15 inches wide by 15 inches deep by 7 1/2 inches high. Its drain size diameter is 3 1/2 inches. This style of sink is shown in a Satin Nickel Finish and it comes in several other finishes. A matching drain plug is available (not included).