STERLING 11444-NA McAllister 32-inch by 18-inch Under-mount Double Equal Bowl Kitchen Sink, Stainless Steel,KOHLER,11444-NA" /> The undermount design includes a 1/2" reveal or no-reveal option 8-1/4" Basin depth; double equal basins make this sink ideal for hand washing dishes 3-5/8" Drain opening Made from 18 gauge stainless steel with a satin basin finish SilentShield, an exclusive sound-absorbing system, reduces unwanted noise and vibration