MILWAUKEE DEMOLITION HAMMER DRILL 2-speed impact mode: use low (2,200 BPM) for light materials or high 2,840 BPM for the toughest concrete. Powerful 14 Amp 1,300 MWO Milwaukee motor: provides best-in-class power and highest overload protection. AVS Anti-Vibration System: minimizes vibration for maximum comfort. Mechanical clutch: protects the motor when the bit binds. Variable-position chisel stop: fixes the chisel in 12 positions for various applications. Specially designed D-handle provides enhanced grip and control. Heavy-duty crank piston mechanism: provides 8.8 ft. lbs. of torque for hard hitting performance.