The Makita HR3210FCT SDS Rotary Hammer Drill With QC Chuck 850 Watt in the 110 Volt Version. The Makita HR3210FCT SDS Rotary Hammer Drill with 3 drilling modes of operation: Rotary drilling, Hammer drilling or Chiseling. Rotary drilling with hammer support can be selected as can pure hammer-only action for heavy-duty breaking and chiselling. It is fitted with a quick change chuck and an LED job light. It features the unique Makita AVT Anti Vibration Technology design employing the pneumatic pressure created in the drills hammer piston chamber to move a counter balance in the opposite direction to reduce the impact vibrations at the steel point. This dramatically reduces vibration. It is supplied with; a side handle, depth stop, bit grease and a carry case. Specifications: Input Power: 850 Watt. No Load Speed: 315-630/min. Impact Rate: 1,650-3,300/bpm. Impact Energy: 4.9 Joules. Capacity: Concrete: 32mm, Core Diameter (TCT): 90mm. Weight: 4.9kg. All vibration figures quoted are Tri-axial to EN60745 2006. Vibration Drilling: 2.5 m/sec. Vibration Chiselling: 7 m/sec. Vibration Hammer Drilling: 10 m/sec. Vibration K Factor: 1.5 m/sec. Noise Sound Pressure: 89 dB(A). Noise Sound Power: 100 dB(A). Noise K Factor: 3 dB(A). Makita A02 B0101