STERLING 11409-NA McAllister 31-3/4-inch by 20-3/4-inch Under-mount Large/Medium Double Bowl Kitchen Sink, Stainless Steel This offset design enhances the functionality and beauty of the kitchen 8" Basin depth; this sink features flat basin bottoms which help prevent glassware from tipping 3-3/4" Drain opening Made from 18 gauge stainless steel with a satin basin finish Includes a 1/2" reveal or no-reveal option