A premium lightweight body filler formulated with the finest resin available. Tack free and stain resistant, which extends the life of sandpaper and reduces the chance of staining. Superior spreading and sanding properties eliminate the need for cheese grating or sanding with coarse papers. Advanced formula with ZNX-7® provides superior adhesion to galvanized steel, aluminum, SMC and sanded OEM finishes. Part of the MetalWorks® System. Blue cream hardener included.