Blaster - 16-PB-12PK - Penetrating Catalyst - 11-Ounces - Case of 12 Quickly breaks loose surface tension rust and corrosion by creeping up, around and into hard-to-reach cavities Ideal for brake, exhaust and suspension system jobs A non-evaporating lubricating film remains on parts to help prevent further rusting A true penetrant - Saves time and money by ensuring user won't have to burn off or drill out nuts, bolts, pipe threads Blaster manufacturers top quality products that offer exceptional value and unparalleled performance