These Detail Paints are specially formulated to duplicate the original look of many metal parts on your car. Protected up to 300 degrees by these paints, metal parts will keep that brand new look for a long time. Available in aerosol and quarts (quarts offer the greater value. Thin 10-20% with lacquer thinner or Xylene before spraying). Detail Gray for stamped or machine steel, rough cast aluminum and pot metal; Aluma Blast for smooth cast aluminum components; and Spray Gray protects cast iron parts.