Armed with a titanium hammer case and a special corrosion preventative treatment, this series is rust and corrosion resistant. Bronze endplates and a corrosion preventative treatment prevents internal in outdoor, wet environments. Choice of reverse bias or non-biased motors gives you solutions for both removing or fastening bolts. Pressure-fed mechanism lubrication ensures complete coverage throughout the tool. Optimized for general industrial use, rail, heavy machinery, oil and gas, and shipbuilding. Integral muffler. 3/8″ npt inlet.