Factory-Reconditioned: Hitachi DH38YE2 1-1/2 Inch Spline Shank Rotary Hammer 5.9-feet per pound of impact energy and a no-load speed of 510-RPM and an impact rate of 2,800-BPM. Powerful motor - The 8.4 Amp, 950 Watt motor provides 5.9 ft-lbs of impact energy Dust proof cover improves tool life by protecting internal components 2-modes of operation - Allows for greater versatility by providing the option of hammer drilling or hammer only Safety clutch for improved user protection in bound bit situations