AUSTTECH Rust Converter

It can be used on vehicles, trailers, fences & gates, iron railings and staircases, sheet metal, cast iron, outsides of tanks, lawn equipment, mower decks, farm equipment, tractors to name just a few. It will not work on aluminum, copper, stainless steel or galvanized metal. As a general rule, Rust Converter is a good solution to fixing rust on items you would consider painting.