KOHLER K-6587-0 Iron/Tones Self-Rimming Undercounter Kitchen Sink, White Mix and match shapes and colors to create a customized workstation Self-rimming dimensions: 20-7/8 inches by 20-7/8 inches Undercounter dimensions: 17-7/8 inches by 17-7/8 inches Constructed of KOHLER cast iron Basin depth of 9-1/2 inches