Dayton DXUH1618 Single Bowl Undermount Stainless Steel Bar Sink UNDERMOUNT INSTALLATION: Sink is installed beneath the countertop creating a seamless appearance between the sink and the countertop 18-GAUGE STAINLESS STEEL: High-quality 18-gauge thickness and 300 Series stainless steel for lasting durability QUIET: Sound-deadening pad(s) minimizes sound and vibration for a quieter time at the sink CENTER DRAIN: Drain is conveniently placed in the center of the sink MADE IN THE USA: This Elkay product is proudly made in the USA DRAIN OPENING: Sink drain opening measures 3-1/2" CABINET SIZE: Minimum cabinet size for this sink is 21"