Elkay 19X18X5-1/2 1H 1B ADA SS SINKFeatures: ADA COMPLIANT: Product is ADA compliant when properly installed. REPAIRABLE FINISH: Finish is scratch resistant to heavy-duty use. Deep scratches are repairable. Lustrous grain reflects light evenly for high shine. DROP-IN INSTALLATION: Sink is designed for drop-in installation to make the sink a focal point of your room. SINGLE BOWL: Bowl gives you uninterrupted space for washing and stacking dishes or other household tasks. 18-GAUGE STAINLESS STEEL: Highest quality 18-gauge thickness and Type 304 stainless steel for lasting durability performance and lustrous beauty. QUIET: Sound-deadening pad(s) minimizes sound and vibration for a quieter time at the sink. U-CHANNEL INSTALLATION: Mounting clips placed inside the channel before installation mean less time under the sink for an easier install. OFFSET DRAIN: Drain placement provides more usable space on the bottom of the sink and in the cabinet below. DRAIN OPENING: Sink drain opening measures 3-1/2 .