Designed to restore and polish metals such as stainless steel, brass, bronze, copper, chrome, aluminium and other marine and automotive metals by removing surface rust, oxidisation, corrosion and tarnish. 3M Marine Metal Restorer and Polish has a light abrasive formulation that cleans, restores and polishes metal components in a single step. Apply it by hand with a soft cloth to remove rust, corrosion, oxidation and tarnish from fixings, window surrounds, railings and other bright work - and restore your boat or vehicles' new lustre.