Rust-Oleum Stops Rust Bright Coat Metallic Sprays are designed to provide a durable protective coating with excellent resistance to rust, and excellent resistance to abrasion, fading, chipping, and dulling. These sprays apply easily, provide excellent coverage, and dry fast to a tough attractive finish. Aluminum is appropriate for outdoor metal surfaces when primed first. Gold, Chrome, and Bronze should be used indoors as they will tarnish if placed outdoors. These sprays feature a comfort tip with a wider finger pad to reduce fatigue caused by continuous spraying and any-angle tip, which allows you to spray at any angle.