Bosch SDS-Max Demolition Hammer 11321EVS POWER: Weighing only 13.7 lbs., the Bosch 11321EVS Demo Hammer provides an outstanding power-to-weight ratio  6.1 feet - pounds of impact energy and a max of 2,900 BPM. COMFORT: Boschs Active Vibration Control provides vibration reduction in the hammer mechanism and the grip area provides all-day comfort for extended periods of work. PERFORMANCE: Featuring Constant Response circuitry that maintains speed under load, overload protection as well as smooth startup control. OPTIMIZED: Includes Boschs Auto-Max speed dial which ensures maximum speed every time the tool is turned on, matching the hammer power to the application. Vario-Lock positioning provides optimized work angle for the best chiseling location RELIABLE: Featuring a Service Minder light-to indicate when preventative maintenance is required so you can focus on the task at hand, Complete package with carrying case.