The Rust-Oleum 12 oz. Hammered spray paints hide flaws and imperfections found in scratched, rusted and pitted metals. It comes in a variety of colors that can be applied directly over rust spots. Great for use on wheelbarrows, lighting fixtures and other objects. The Rust-Preventive formula dries to touch in 15 minutes and the 12 oz. can works on areas up to 25 sq. ft.