The Bosch 11335K 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 15.0 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- In. hex, air tool steel with retaining collar or Bosch internal-locking combo steel. The breaker hammer with included carrying case with wheels is fully mobile, and it has Service Minderbrushes for preventative maintenance reminders.