Sonus Aluminum Polish quickly removes oxidation and restores a brilliant shine to dulled uncoated aluminum and stainless steel. Works great on wheels, fuel tanks, diamond plate, unpainted trailers, and trim. Can be applied by hand or by machine. This ammonia-free formula wipes on and off with little effort. For severely oxidized surfaces, use Sonus Aluminum Restore to remove oxidation residues and greatly reduce polishing time. For long lasting protection, apply Sonus Aluminum Sealant.