KOHLER Vault 15" Single Bowl 18-Gauge Stainless Steel Entertainment Bar Secondary sink with Single Faucet Hole K-3840-1-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 SINGLE FAUCET HOLE: No escutcheon on your faucet is required on this single hole installation. Choose a Kohler faucet to complement your sink, such as K-77515-VS, or K-596-VS, or 560-VS 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