This Dupli-Color Weld-Through Cold Galvanized Primer is designed to provide maximum corrosion resistance. It features a durable zinc coating that can be applied directly to dry metal or galvanized surfaces. Dupli-Color Weld-Through Cold Galvanized Primer will provide an excellent feather edging, perfect for sanding and applying your top finishing coat of paint. Give your vehicle a great foundation base with Dupli-Color Weld-Through Cold Galvanized Primer. Size: 12 oz.