Evercoat Z-Grip Bondo is an excellent body filler for collision and auto body repair. Evercoat Z-Grip Bondo Body Filler is an advanced, clog-free, lightweight body filler for today’s high tech metals. Z-Grip is formulated with ZNX-7® for superior adhesion to galvanized steel, bare steel and aluminum. Evercoat's Z-Grip is part of the MetalWorks® System that honors the OEM corrosion warranty. Z-Grip Bondo also contains Hattonite™ for effortless sanding. The Evercoat Z-Grip body filler includes Blue cream hardener.