Original Penetrant – Aerosol – 10z Can – Aerokroil Formula *Case of 12Loosen frozen metal parts professionally, with Kroil Original Penetrant in liquid and aerosol (Aerokroil) formulas. Discover why Kroil has been trusted to help loosen bolts in various applications since 1939. Loosen frozen metal parts professionally, with Kroil Original Penetrant aerosol (Aerokroil) formula.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 corrosionHelps to remove rust and carbon depositsFast actionWorks everywhereSimplifies repairsPenetrates deeply