Hitachi DV20VB2 3/4-Inch 8.3-Amp Hammer Drill, 2-Modes, VSR One-piece cylindrical housing and aluminum die-cast inner cover and gear cover make this tool far more durable than competitive models No-load speed of 0-1,000/3,000 RPM and an impact rate of 0-13,000/39,000 BPM give this tool a best in class drilling speed 8.3 Amp motor, 940 Watt motor, makes quick work of heavy-duty jobs Variable speed and oversized trigger switch with speed control dial provides greater speed control 1/2" industrial grade chuck, for a variety of bit choices and better bit retention Push button reversible drilling, allows for quick removal from materials and higher efficiency No-load noise level of only 79dB makes the DV20VB2 one of the quietest hammer drills on the market Elastomer, non-slip grip, designed to absorb vibration and comfortably fit in hand for improved control Removable side handle with depth gauge, improves control and ensures accurate drilling depth for anchoring Weighing only 4.9 lbs and measuring only 13-1/8" long, the DV20VB2 is one of the most compact and lightweight drills in its class