This AB2420DI uniquely combines a very high-end look and long-term durability with low maintenance at an incredible valueDesigned in Italy, Made in ItalyExterior Dimensions : 23 5/8" x 20 1/8" x 8 1/4"Inner Bowl Size : 20 7/8" x 15 7/8" x 7 3/4"Includes drop-in installation hardwareComes with one pre-drilled faucet hole in center with option for plumber to punch out extra four holes as seen in dimension diagramWithstands severe thermal shocks and very high temperatures without being damagedDrain not included. Recommended Model: ABST35Recommended counter top cut out hole of 22 7/8" x 18 7/8" with a 3/8" corner radius.Certified by Uniform Plumbing Code (cUPC)