Maximize coverage， adhesion and durability with Rust-Oleum Professional Primer Spray. Provides twice the rust prevention of enamels alone. Professional Enamel Sprays provide a durable protective coating with superior rust prevention and excellent resistance to abrasion， fading， chipping and dulling. It applies easily， provides excellent coverage and dries fast to a tough attractive finish. Professional Enamel is ideal for ferrous， non-ferrous metal and wood surfaces. It features a high output tip which can be sprayed at any angle. Not for use on galvanized metal.