The Kohler Carrizo Undercounter Cast-Iron 20-3/8 in. x 31-3/8 in. Single Bowl Kitchen Sink in Biscuit offers a tiered design to help reduce bending down and strain. The shallow sink side is ideal for placing glassware or food prep while the deep basin makes it easy to wash or soak dishes. Made of cast iron, this sink resists cracking, burning and chipping for lasting endurance. 1 hole is included for easy installation of a faucet (faucet not included).