Blanco 510-887 Supreme 1 3/4 Bowl Undermount Sink, Satin Polished Finish Overall: 31-5/16-Inch x 20-7/8-Inch Under mount installation 18 gauge Stainless Steel Left Bowl: 14-3/16-inch x 18-1/2-inch x 10-inch; Right Bowl: 13 9/16-Inch x 15 3/4-Inch x 8-Inch Includes mounting hardware