ECOSINKS K2U-0801SA Dual Mount 2-Hole Double Bowl Kitchen Sink, Smooth Antique Copper 14-gauge copper construction provides durability. Antique copper finish ages beautifully Two sink bowl are made of seamless single-sheet construction Dual-mount product offers drop-in or under-mount installation with clips included Basket strainer and disposal flange included Dimensions: Outer: 31in x 20in x 9inInner: 29in x 18in x 9in