18 Inch Bostonian Square Bar Sink - This sink is made from solid copper with a stylish hand hammered texture. It measures 18 inches wide by 16 inches long by 7 inches deep. Its drain size diameter is 3 1/2 inches. This style of sink is shown in a Rustic Copper Finish and it comes in several other finishes. All are living copper finishes and will develop a unique patina over time, adding rustic charm to your kitchen. A matching drain is also available (not included).