The Copper Factory CF157SN Solid Hand Hammered Copper 18-Inch by 18-Inch Extra Large Square Bar/Prep Sink, Satin Nickel Hand crafted by experienced artisans Solid heavy copper construction Attractive Hammered Texture adds depth to the finish Classic Satin Nickel Finish will coordinate with many other fixtures and hardware Made for use of a standard 3.5-Inch kitchen basket strainer drain