The Makita HP2070 2-Speed Percussion Drill with a reversing system that prevents the speed reduction of the motor in reverse rotation. There is a mechanical 2-speed, and electronic speed adjusting dial for presetting maximum speed. The torque limiter prevents damage. The drill stops when the bit hits against reinforcements. It is also fitted with a keyed chuck. It is supplied with a side handle, depth stop and a carry case. Specification Input Power: 1,010W No Load Speed: 0-1,200/0-2,900/min. Impact Rate: 0-24,000/0-58,000/bpm Capacity: Steel 18mm, Masonry 20mm, Wood 40mm Weight: 2.4kg Vibration Hammer Drilling: 16 m/sec² Vibration K Factor: 1.5 m/sec² Noise Sound Pressure: 99 dB(A) Noise Sound Power: 110 dB(A) Noise K Factor: 3 dB(A)