Product Group: Rotary Hammer Product Description Makita 0810 type(Rotary hammer) Chuck Diameter: 32mm Rated Voltage: 220~240V / 110 V Rated Frequency: 50Hz / 60Hz Rated Input Power: 900W Impact Rating: 2900r/ min Case Qty.: 2 Pcs G. W. /N. W.: 20/18KG Packing Size: 47*36*37 CM