Demolition Hammer Kit Handle Type Chipper Chuck Style 1 1/8 in Hex Impact Energy 25.7 ft-lb Maximum Blows per Minute 1 450 bpm Tool Weight 38.2 lb Current 14 A Number of Speed Settings Continuous Vibration Level 12 m/sq sec Sound Level 101 dB Voltage 120V AC Power Source Corded Kit Contents (1) 20 1/2 in Bull Point Chisel 1 1/8 in Hex (1) Bare Tool Minimum Blows per Minute 730 bpm