PRO-GOLD ES Premium Autobody Filler sets the gold standard for body repair. PRO-GOLD ES is an easy-to-spread filler that delivers effortless sanding and a smooth, velvety finish. This same technology also provides superior adhesion to all types of metals including galvanized, bare steel and aluminum. Excellent feather edge and sanding with minimal clog Fills dents, dings, scratches, rust and hail damage with ease Clog free. Tack free Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.