* Convenient 2-Pack: Includes two 11 oz aerosol cans—perfect for your shop, toolbox, or garage. * Powerful Rust Penetrant: Quickly breaks loose rusted or frozen parts with industrial-strength penetrating action. * Multi-Purpose Use: Ideal for automotive, industrial, marine, and household applications. * Lubricates & Protects: Leaves behind a lubricating film that prevents further rust and corrosion. * Fast-Acting Formula: Penetrates deep into metal surfaces to free stuck bolts, nuts, and more.