Spline 1-9/16 inch shank rotary hammer. 7.4 ft-lbs of impact energy, delivering high-speed drilling and forcible chipping with low vibration and noise level. 9.2 A motor increases productivity. 2-modes of operation: hammer and drill and hammer only for flexibility within a range of applications. Built-in electronic control circuit keeps speed constant even as load varies. Needle-pin slip clutch. Soft, non-slip Elastomer grip, absorbs vibration and improves comfort and handling. Revolutionary IDI (Internal Double Insulation) technology, incorporated into the housing of the tool greatly improves reliability and extends the tool life. Removable side handle with depth gauge, improves control and ensures accurate drilling depth. Includes: depth rod, side handle, plastic case, 3-dust covers, hex wrenches, hammer grease-A, 1 oz tube.