3M 05821 Advanced Finishing Glaze Tube - 24.0 fl. oz. Two-component, self-leveling putty designed for use as a skin coat over plastic filler to fill pinholes, sand scratches, low areas and other imperfections Cures tack-free in 30 minutes Grips tight to galvanized steel, sanded paint, aluminum, steel, SMC, and fiberglass