KOHLER Vault 15" Single Bowl 18-Gauge Stainless Steel Entertainment Bar Secondary sink with Four Faucet Holes K-3840-4-NA Drop-in or Undermount Installation SINK SIZE: 15" x 15" MINIMUM CABINET BASE WIDTH: 18 inch min. cabinet base width DUAL MOUNT INSTALLATION: Depending on your kitchen update or remodel, install this sink as an undermount or top-mount installation FOUR FAUCET HOLES: Choose a Kohler faucet to complement your sink, such as K-596-VS, or 560-VS, or K-22033-VS, all come with escutcheon plates to cover up any unused faucet holes and get a soap dispenser to finish it off. PREMIUM STEEL MATERIAL: 18 gauge stainless steel is strong enough to withstand your every day use to last a lifetime. QUIET PERFORMANCE: SilentShield sound absorption technology offers extremely quiet performance out of your kitchen sink CONTEMPORARY DESIGN: Tight corners maximizes your basin space all while giving your kitchen an updated modern look