The Fluid Film Rust Corrosion Penetrant Lubricant AS11 is a high-quality product designed to prevent rust and corrosion on vehicles. Made in the United States by the trusted brand Fluid Film, this penetrant lubricant comes in a convenient 4 pack, each containing 11.75oz of product. Perfect for automotive maintenance and repair, this lubricant effectively penetrates and lubricates to protect against rust and corrosion, ensuring your vehicle stays in top condition.