Buy 4 Cases of Qualifying KROIL Products & Receive One Free Case UNTIL 06/30/2025 VIEWSilikroil Penetrant - Aerosol - 16.5oz Can with Silicone *Case of 12Engineered to loosen frozen metal parts and provide extra lubrication for long-lasting protection.The Penetrating Oil Used By ProsWhen freeing corroded items in tough spaces, nothing rivals powerful, industry-proven Kroil penetrating oil. Used and trusted by pros and experienced DIYers alike since 1939, Kroil quickly loosens rusted nuts and bolts and frees frozen shafts, pulleys, and more. No space is too tight to reach, thanks to Kroil&';s ability to penetrate the smallest opening, thread, or crevice. Corrosion meets its match, as Kroil helps remove and prevent rust, cleans and lubricates, and displaces moisture. NSF Nonfood Compounds Program Listed Category Code: H2 Registration #165745 (8oz and gallons). 50-State VOC Compliant. Made in the U.S.A. (Portions of packaging imported.)Features: Attacks corrosion Helps to remove rust and carbon deposits Fast action Works everywhere Simplifies repairs Penetrates deeply