http://tinyurl.com/o7o9djgMakita HR4010C 1-9/16 inch AVT Rotary Hammer, SDS-MAXProduct Review Click on the link for more reviewsMakita's Anti-Vibration Technology incorporates a counterbalance system that reduces vibration to only 4.5 m/s2 for unmatched comfortPowerful 11 AMP motor; efficient 1,350 - 2,750 BPM to tackle the most demanding jobsPreset variable speed dial with 5 settings to match the bit speed to the applicationL.E.D. power light indicates switch failure or cord breakage; L.E.D. service light indicates carbon brushes need to be replaced1 year warranty
