The B’laster 16-PB-DS Penetrating Catalyst is a high-performance solution designed to quickly loosen rusted or frozen parts caused by rust and corrosion. This 11 oz aerosol can features the innovative ProStraw™ with Control Flow Technology™, allowing users to easily switch between spray, drip, or stream applications for precise control. The non-evaporating lubricant not only penetrates deep into rusted areas but also provides long-lasting protection against further rust and corrosion. Ideal for use on automotive, industrial, marine, plumbing, and other equipment.