The Kohler Staccato Self-Rimming 33 in. x 22 in. Double Bowl Kitchen Sink is constructed from 18-gauge stainless steel to help ensure long-lasting performance and easy maintenance. It features the Kohler SilentShield sound-absorption system which reduces disposal noise and vibration from dishes and running water. The 2-bowl design allows for versatile use in food prep and cleaning. This unit has a 4-hole faucet drilling that allows you to add a sprayer, soap dispenser or other accessory (sold separately).