KOHLER Vault 30" Single Bowl 18-Gauge Stainless Steel Apron Front Kitchen Sink Undermount Installation K-3936-NA SINK SIZE: 29-1/2" x 21-1/4" MINIMUM CABINET BASE WIDTH: 30 inch min. cabinet base width UNDERMOUNT INSTALLATION: Self-trimming apron front overlaps the cabinet for easy installation. The apron height allows the sink to be used in standard cabinetry. NO FAUCET HOLES: Allows you to choose which faucet you'd like. The faucet will be drilled into the counter-top. Choose from Kohler best-sellers like K-596-VS, K-560-VS, K-22033-VS, K-77515-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 APRON FRONT DESIGN: Tight corners maximizes your basin space all while giving your kitchen an updated modern look with a farmhouse feel