The #1-selling penetrant since 1957, PB B'laster quickly busts loose rusted or frozen parts caused by rust. It also contains a non-evaporating lubricant that saves time and equipment and protects against further rust. B'laster brand products are born from professional applications where only the strongest survive. We come from a place that demands the toughest solutions, and we believe you should too. As Rust Belt Warriors, we can promise that by the time a B'laster product ends up in your hands, it's only because the pros have told us it's the best.