The Snap-on Heavy Duty Air Hammer No. PH3050B now has the Quick Change Chuck Retainer No. PH200D installed on the tool for added convenience. Features and benefits of the No. PH3050B include dual elastomer cushions to absorb shock and vibration; a phenolic (Kevlar-reinforced) flutter disc to provide long life; a direct multi-port front exhaust to keep air and debris away from user; a high grade steel barrel; a variable speed soft-touch trigger; a four-position built in air regulator to vary power for different applications; an air line screen, which helps prevent foreign particles from clogging the trigger mechanism; and a hardened steel piston, which delivers harder blows for maximum impact.