Overview Reviews Product Description Permatex 81849 Extend Rust Treatment 16 Oz. Corrosion Inhibitor Permatex 81849 Product Videos Custom Field Product Reviews Write a Review Write a Review × Permatex Permatex 81849 Extend Rust Treatment 16 Oz. Corrosion Inhibitor Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *