Check the listing for details. Eastwood Fast High Rust Prevention Converter Aerosol 11oz Unique Neutralizer. Condition: New. Listed at 39.99 USD. Rust Converter stops residual rust, and turns it into a black, protective, ready-to-paint coating, without sanding. Just apply to transform the rust Penetrates faster than other brands No mixing needed Eastwood's own high-tech formula converts rust into a protective polymeric coating that's ready to go as a primer and is compatible with most topcoats. That new protective coating will also seal the surface against moisture to prevent future rust growth.Rust Converter stops residual rust, and turns it into a black, protective, ready-to-paint coating, without sanding. Just apply to transform the rust Penetrates faster than other brands No mixing needed Eastwood's own high-tech formula converts rust into a protective polymeric coating that's ready to go as a primer and is compatible with most topcoats. That new protective coating will also seal the surface against moisture to prevent future rust growth.