Rust-Oleum 2089830 Stops Rust Spray Paint, 12-Ounce, Flat Dark Gray Auto Primer Use to prime automobiles and other vehicles, works under for most automotive lacquers and enamels Oil-based formula provides a durable protective coating with excellent rust prevention Dries to touch in 15 minutes and covers up to 12 sq ft Wait 15 minutes before applying top coat or wet sanding Creates a flat gray finish that can be covered with any topcoat