Factory Reconditioned Corded 1/2 in. Single Speed Concrete/Masonry Hammer Drill with Auxiliary Handle and Chuck Key2 speed gear box matches speed and torque to the job Dual mode selector easily converts from rotation only to hammer drill mode Variable speed reversing switch complete control for drilling, driving and removing bits or screws All ball and roller bearing construction smooth power transmission and extended tool life Ergonomic handle multiple gripping positions for increased comfort and control 36 side handle with depth gauge wide range of movement for