SHOCKS - Active Vibration Control® Reduces vibration felt by the user at the handles. A Perform and Protect feature. 30 Ft-lbs impact energy provides maximum performance 15 amp motor provides maximum power and overload protection Soft start help the user maintain control of the tool Rubber coated handles provide greater comfort and control Wheeled Kit provides storage and ability to easily move the tool Uses 1 1/8" Demo Steel