Rust-Oleum® Stops Rust® oil-based enamels provides excellent rust prevention when applied directly to metal. They also offer excellent coverage, chip resistance and color retention. For even longer, lasting protection, use a Stops Rust® Primer first. Not for use on galvanized steel. Paint Sub-Category: Spray Paint; Intended Application Environment: Interior/Exterior; Finish/Sheen: Gloss; Color(s): Blue.