Purple metal polish is the easiest way to get a great shine. Purple contains superior abrasives, advanced cleaners & sealers to safely clean all metal surfaces. Compared to other polishes on the market Purple requires very little rubbing & will clean, shine & protect your metal leaving a cloud free finish. You will be amazed how easy it can be to polish aluminium. Can also be used for removing light scratches on motorcycle windshields, plastic bug guards, headlight covers & is great on glass as well.