High Teck’s 2K, Premium Polyester Finishing Putty is a pourable finishing putty for filling dents and imperfections with smooth, pinhole-free application. 2K, pourable formula designed to fill dents and imperfections on most substrates | Excellent filling properties with smooth, pinhole free application and effortless sanding |Use over OEM paint surfaces, aluminum, galvanized, SMC, fiberglass, lightly abrad.