The KOHLER Undertone Undermount 8-1/4 in. x 22 in. Single-Bowl Kitchen Sink is a single-basin sink that is durably made from stainless steel. It operates as a secondary- or prep sink when designing your custom workspace in the kitchen. This elegant trough sink features Silentshield sound-absorption technology to help reduce noise from dish washing and preparation. Size: 12.5 In.