• The original polyester glazing putty. • Can be applied directly to bare metal, body filler, fiberglass and fully cured sanded top coats. • Easily fills grind marks, pinholes, low spots and other minor imperfections. • Contains ZNX-7 for superior adhesion to galvanized steel, bare steel, aluminum, SMC, E-Coat and OEM finishes. • No shrinkage/Easy dry • Reduces risk of staining. Blue cream hardener included.