Makita HM1317CB 42-Pound Breaker Hammer with Anti-Vibration Technology

Breaker 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 41.9 lb. Current 14 A. Number of Speed Settings Continuous. Vibration Level 7 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 bpmPowerful 14 AMP motor delivers 25.7 ft.lbs. of impact energy to handle the most demanding applications.Anti-Vibration Technology (AVT) is an internal counterbalance system that greatly reduces vibration by moving a counterweight in the opposite direction of the drive piston.Constant speed control automatically applies additional power to the motor to maintain speed under load to complete the most challenging jobs.Variable speed control dial enables user to match the speed to the application for greater versatility.L.E.D. service light notifies the user approximately 8 hours before the brushes need to be replaced