Rust-Oleum® Rust Reformer SprayRust Oleum Rust Reformer instantly bonds with rust and transforms it to a non rusting, flat black paintable surface and prevents future rust. It saves you the effort of sanding rust all the way down to bare metal. Instantly converts rust to a protected, paintable surface Prevents future rust Any Angle Spray with Comfort Tip FOR BEST RESULTS Spray in a steady back and forth motion, slightly overlapping each stroke, Keep the can in motion while spraying.