Genesis 1/2″ Variable-Speed Hammer DrillPowerful 7. 5 Amp Motor Easily Drills into Concrete, Brick, and Other Masonry Variable Speed Trigger with Lock on Feature Matches the Speed with the Job to be Done Standard Drilling and Hammer Modes for Most Drilling Needs All Metal Chuck Stands up to the Most Difficult Applications 360 Auxiliary Handle and Depth Gauge for More Accurate Drilling Die Cast Aluminum Gear Housing for Durability Onboard Chuck Key Holder, Keeps the Key with the Tool