ALFI brand AB3020DI-BLA Drop-In Single Bowl Granite Composite Kitchen Sink, 30", Black This AB3020DI uniquely combines a very high-end look and long-term durability with low maintenance at an incredible value Designed in Italy, Made in Italy Exterior Dimensions : 30" x 20" x 8 1/4" Inner Bowl Size : 27 3/16" x 15 3/4" x 7 7/8" Includes drop-in installation hardware.Inner Bowl Size(inches) : 27 1/8 x 15 3/4 x 7 3/4