Hitachi FDV16VB2 5/8 Inch 5-Amp Hammer Drill, 2-Modes, Variable Speed Variable speed control dial, located on trigger for ease during high-speed or high-torque jobs Impact to drilling switch, located conveniently on body of tool for quick transition Push button reversible drilling, allows for quick removal from materials and higher efficiency Elastomer, non-slip grip, designed to comfortably fit in hand for improved control Industrial grade keyed chuck, provides greater bit retention Ball and needle bearing construction, adds durability and extends the tool life Low noise cooling air-flow design, prevents overload and elongates tool use Removable side handle with depth gauge, improves control and ensures accurate drilling depth for anchoring