Super Duty Air Hammer Kit (0.498 Shank)The AIRCAT 5300 A (. 498) shank Super Duty Air Hammer Kit with 3 Chisels provides a powerful 2 11 16 piston stoke. Its designed for ultra heavy duty use, driving out shackle pins, kingpins, and cutting large bolts, nuts and fasteners. Ergonomically designed grip provides excellent comfort for the user. The AIRCAT line provides reduced noise levels while retaining more power and torque. AIRCAT also incorporates a patented, ergonomically engineered