Revere RCFU1618 Single Bowl Undermount Stainless Steel Bar Sink QUIET: Sound-deadening materials minimize sound and vibration, while reducing condensation on the underside of the sink STAINLESS STEEL: Premium, 18 gauge, Type 304 (18/10) Stainless Steel Construction Single undermount 18 gauge nickel-bearing stainless steel sink with a soft satin finish 8" bowl depth with a 3-1/2" drain opening with a soft satin finish Minimum cabinet size is 21" Sound dampening pad with spray undercoating Made in USA with a lifetime manufacturer warranty