Highest quality single bowl seamlessly formed of 18 gauge type 304 18-8 nickel bearing stainless steel Self rimming Overall dimensions 22 inL x 17 inW Inside bowl dimensions 16 inL x 13 1/2 inW x 7 5/8 inD 3 1/2 in centered drain opening Cutout in countertop 1 1/2 in radius corners 21 3/8 inL x 16 3/8 inW 27 in Minimum cabinet size Note Fittings faucet bubble and drain are not included but are drilled for faucet bubbler and drain as illustrated - Buy Now or get More Info on Elkay Kitchen - Click Here To Order