The DeWalt D25113K is a Factory Reconditioned Heavy-Duty 1 inch SDS Pistol Grip 3 Mode Hammer. It features 2.5 ft-lbs of impact energy that provides for fast drilling and powerful chipping. The unit has an 8.0 Amp motor that provides high performance and overload protection. The rotary hammer has a capacity to cover a broad range of mechanical and epoxy anchoring applications. The optimal range for the hammer in concrete is 5/32 inch - 5/8 inch. The reverse feature assists in the removal of fasteners. The tools variable speed is used for precise hole placement on work surface. The tool comes with a factory set clutch which reduces sudden, high torque reactions if the bit jams. The 360° side handle adjusts easily for preference or use in tight spaces.