KOHLER K-6586-FT Iron/Tones Self-Rimming (12" X 18-3/4") or Undercounter (9" X 15-3/4") Kitchen Sink, Basalt Mix and match shapes and colors to create a customized workstation Self-rimming dimensions: 12 inches long by 18-3/4 inches wide Undercounter dimensions: 9 inches long by 15-3/4 inches wide Constructed of KOHLER cast iron Basin depth of 5-1/2 inches