Commercial Enameling CE740-3-46 Two-Bowl Kitchen Sink - 32X21X8. The CE740-3-46 is a genuine product manufactured by Commercial Enameling. This particular product is a double bowl cast iron sink in a Platinum finish. The two bowls are equal in size and have an 8 inch depth with overall dimensions measuring 32 x 21 inches. The sink feature 3 faucet hole drillings and has a Tile or Rim-Mount Installation.