Rust-Oleum 7769830 Rusty Metal Primer Spray Paint, Red Rust Rust-Oleum Rusty Metal Primer Spray bonds tightly to rust to form a surface that topcoats can easily adhere to. This formula drives out corrosive air and moisture other primers leave behind. It features a comfort tip with a wider finger pad to reduce fatigue caused by continuous spraying. In addition, there is an any-angle spray feature that allows you to spray in any direction, even upside down. Rust-Oleum 7769830 Rusty Metal Primer Spray Paint, Red Rust Features: The original and the best to stop rust and prevent corrosion on metal ship decks Unique fish-oil-based formula penetrates rust to bare metal, to drive out corrosive air and moisture other primers leave behind Bonds tightly to rust to form a surface topcoats can adhere to Red Rust 12-Ounce rosol.