WD-40 120015 3-IN-ONE Professional Penetrant Oil 4 oz

The 3-IN-ONE Professional Penetrant is a fast-acting oil specifically formulated to break the rust bonds that hold seized parts together. This high-performance penetrating oil works quickly to loosen rusted nuts, bolts, screws, threads, locks, and chains, making it an essential tool for automotive maintenance, machinery repair, and general workshop applications.

Key Features:

• Fast-acting formula penetrates deep into rusted and corroded parts
• Breaks rust bonds to free stuck, frozen, or seized equipment
• Low VOC formulation for safer use
• Removes grease and grime while penetrating
• Leaves protective barrier to prevent future rust and corrosion
• Convenient 4 oz drip bottle for precise application
• Safe for use on metal surfaces

Ideal for loosening rusted fasteners, freeing frozen mechanisms, and protecting metal parts from moisture and corrosion. The drip bottle design allows for controlled application in tight spaces and hard-to-reach areas. Manufactured by WD-40 Company, trusted by professionals and DIYers for over 60 years.