Two-part polyester finishing and blending putty includes ZNX-7 for adhesion to galvanized metal, aluminum, steel, S.M.C., and O.E.M. paint. The extra-thin formula spreads smoothly. Quickly fills grind marks, pinholes, uneven surfaces, and other MetalWorks body fillers and glazing putties to enhance their work ease. It helps prevent staining or bleed-through when used under basecoat/clearcoat paint systems. Blue cream hardener included.