Remove last-minute minor imperfections from vehicle panels with the quick-fix formula of USC Pronto Kombi Spot Putty. This single-component, super smooth putty works great on minor scratches, surface flaws and little pinholes. It is a ready-to-use formula and shows exceptional adhesion to treated metal, galvanized steel, aluminum, existing finishes and primers. This high-solid formula offers a good fill with the exceptional sanding ability and reduced shrinkage.