Blaster Lubricant 18-oz Penetrating Oils/SolventsThe number1 selling penetrant since 1957, PB Blaster quickly busts loose rusted or frozen parts caused by rust and corrosion. It also contains a non evaporating lubricant that saves time and equipment and protects against further rust and corrosion. Big shot is a powerful rust penetrating catalyst that breaks free rusted and frozen nuts and bolts, making it a struggle free job Spraying is made easier by the 360 degree valve that allows spraying upside