Stanley Black & Decker by Porter Cable 1/2-Inch VSR 2-Speed Hammer drill features a 7.0 Amp motor that delivers the power and durability. The ability to switch between hammer drill and drill modes provides versatility for drilling into metal wood concrete brick block and many other materials. A streamlined over mold body and handle allow for increase comfort and reduced user fatigue. Two finger locking trigger provides ease of use during extended use. A 1/2-Inch metal chuck and key provides holding pressure for increased bit retention. Includes depth rod.