Protect metal and aluminum like a pro with Seymour 20-1675 PBE Self-Etching/Weld-Thru Primer in Gray, now available in a convenient 15 oz, Pack of 6. This high-performance primer features a zinc-enhanced formula that delivers superior adhesion and corrosion resistance, even in areas where metals are welded together. Designed for body shops, repair professionals, and serious DIYers, it creates a smooth, paint-ready surface that withstands the harshest environments. Thanks to its electrochemical galvanic action, the primer continues to protect even after scratches, extending the life of body panels, engine parts, and heavy machinery. It reduces rust creepage, resists high temperatures up to 250°F, and is engineered to produce less smoke and electrode wear during welding. With a large spray head and adjustable fan tip, you get a gun-like finish straight from the can—no additional equipment required. Whether you're restoring farm equipment, maintaining construction machinery, or prepping auto body panels, Seymour's self-etching primer delivers professional-grade protection and performance—Made in the USA.