Benefits: Bosch Brute™ Breaker Hammer The New Brute is the hardest hitting hammer in its class Active Vibration Control™ - Vibration reduction in the hammer mechanism and the grip area provides maximum user comfort for extended periods of work; 50% LESS vibration than the 11304 Ergonomic Handles - New ergonomic shock absorbing handles provide additional user comfort in all day applications Non-Slip Housing Cover - Rubberized housing cover helps prevent tool from accidental fall over when the tool is not in use Total portability - Operates on 115/120V AC/DC, 15 amp outlet or 2500 watt portable generator ServiceMinder™ brush system - Shuts the Brute™ off when brush replacement, lubrication or preventative maintenance is needed Grease packed gear box and hammer mechanism - Eliminates uncertainty of job site lubrication The plug in anywhere hammer - Does not need a compressor.