Features and Benefits: High Teck 77062 Lightweight Body Filler is a tack-free, fine-sanding filler designed to reduce sandpaper clogging. Offers superior adhesion on all types of metal including galvanized, bare steel and aluminum. Cream hardener is included.Lightweight formula is tack free and stain free | Reduces sandpaper clogging | Superior adhesion on all types of metal including galvanized, bare steel and aluminum | Cream hardener included.