The Ultimate Restoration Polishing Compound - Give your prized items a better-than-new look with Buff Magic. This buffing compound works as a metal polish and rubbing compound for your boat, car, and other home equipment. Brightens Precious Metals - Our unique ultimate polish is scientifically made with Jewelers rouge, bringing out the maximum luster of jewelry and other precious metals. Deoxidizes Various Surfaces - Repair fiberglass and remove surface imperfections with this aluminum oxidation cleaner. Truly a must-have in your Gelcoat repair kit! Improves Surface Shine - The propriety abrasives of our glass polishing compound break down upon application, creating a compound to help restore the ultra glossy finish of your washed out item. Use with Machine or by Hand - Less is more with Buff Magic. When using, apply less than what you usually would. This buffing compound for cars is safe to use whether buffing by machine or hand.