Blanco 440167 Wave Plus 1-1/2 Bowl Undermount Kitchen Sink, Satin Polished Finish Overall: 31-1/2-Inch x 20-7/8-Inch Under mount installation 18 gauge Stainless Steel Left Bowl: 17-3/4-inch x 18-1/2-inch x 10-inch; Right Bowl: 10-7/16-inch x 15-3/4-inch x 6-3/4-Inch Includes mounting hardware