KOHLER Undertone triple-basin sinks provide flexibility for food preparation and cleanup * Exterior dimensions: 41-5/8-Inch x 20-1/8-Inch * Interior dimensions: 38-3/8-Inch x 17-7/8-Inch * Basin depth: L 9-1/2-Inch , R 7-1/2-Inch , C 5-1/2-Inch * Triple-basin sink