The AB3320UM kitchen sink combines a high-end appearance along with long-term durability and low maintenance at an unbelievable value!Designed in Italy. Made in Italy.Exterior Dimensions : 33" x 20 3/4" x 9 7/8"Inner Bowl Size: 19 1/4" x 16 3/8" x 9 1/4", 17 1/2" x 12 3/4" x 9 1/4"Sink does not include pre-drilled faucet hole, faucet must be installed on counter top behind sink.Includes undermount installation hardware.Withstands severe thermal shocks and very high temperatures without being damaged.Drain not included. Recommended Model: ABST35Recommended counter top cut out hole of 30 1/4" x 19 1/4". See diagram.Certified by Uniform Plumbing Code (cUPC)