FreeABull Metal Penetrating Lubricant is a professional strength formula for making challenging jobs easier whenever trouble is caused by rust, moisture, dirt, or friction. FreeABull penetrates, lubricates, and stops rust & corrosion. It frees corroded and rusted parts, displaces water, helps provide protection while cleaning, and stops aggravating squeaks. Safe to use on almost any surface. And it doesn't stink!Apply freely to frozen or rusted parts. Allow it to penetrate for a few minutes. To lubricate, clean and protect metal, apply light, even film. Repeat application if necessary.