A cool approach to freeing up rusted fasteners When applied to the affected area, Freeze-Off lowers the temperature to crack rust and corrosion. This unique approach allows the penetrant to soak deeper into threads and cavities to work more effectively. Ideal for freeing up corroded fasteners, rusted hinges, locking mechanisms and much more. Formulated to displace moisture and leave a protective film that helps to prevent future corrosion. Take a cool approach to loosening rusted nuts, bolts, and hardware with CRC Marine Freeze-Off penetrating spray. Key Features Lowers temperature to crack rust and corrosion Penetrates deep into threads and crevasses to break up corrosion Leaves protective film to prevent future corrosion Low VOC formula