The Makita HP1640K 13mm Percussion Drill has a dual puropse action, rotation only and rotation with hammering mode. It is fitted with a new reversing system that allows extended service life of the carbon brush; no power reduction even in reverse rotation. The variable speed is controled by a trigger for easy speed change when in use and it has forward/reverse rotation. The in-line positive grip design maximises power thrust. The tool has double insulation to protect the user. Comes with a carry case. Specification Input Power: 680W No Load Speed: 0-2,800/min. Impact Rate: 0-44,800/bpm Capacity: Steel: 13mm, Masonry: 16mm, Wood: 30mm Weight: 2.0kg All vibration figures quoted are Tri-axial to EN60745 2006. Vibration: Drilling: 2.5 m/sec². Vibration: Hammer Drilling: 19 m/sec². Vibration K Factor: 2 m/sec². Noise Sound Pressure: 92 dB(A). Noise Sound Power: 103 dB(A). Noise K factor: 3 dB(A).