The Jack Breaker Hammer delivers 22 ft.-lbs. of impact energy for the best material removal rate in class, impressive for a tool that weighs just 38 lbs. Providing 1,300 BPM, this 15 Amp tool has all metal housing, metal tube and case, and it can handle heavy duty applications such as outdoor asphalt work or indoor foundation removal. It has a Vibration Control system, which includes a longer air cushion in the hammer mechanism and a shock-reducing top handle. This tool has a two-way tool retainer that accepts standard 1 1/8" hex, air tool steel with retaining collar or Bosch internal locking combo steel.