Cordless Breaker Hammer Voltage MX FUEL Chuck Style 1 1/8 in Hex Impact Energy 50 ft-lb Maximum Blows per Minute 1 300 bpm Tool Weight 63.9 lb Handle Type T-Handle Number of Speed Settings 1 Vibration Level 4.9 m/sq sec Sound Level 105 dB Brushless Motor Yes Battery Capacity 6.0 Ah Cordless Tool Kit Contents (1) Bare Tool (1) Battery (1) Charger Power Source Cordless Number of Chisel Positions 1 Battery Model Number MXFXC406 Battery Series MX FUEL Blows per Minute 0 to 1 300