Shield Solutions Aluminum & Metal Cleaner/Brightener requires no polishing or buffing and the desired effects are achieved with minimal effort. Removes most rust stains. Excellent on Diamond Plate and wheels, Cleans and brightens aluminum, stainless and chrome. Replaces multiple acid blends, does not contain hydro-fluoric acid. Will not etch or attack polished surfaces. Safe on painted surfaces and decals. Cleans and brightens without polishing or buffing.