http://tinyurl.com/o7o9djg<P>Makita HR4010C 1-9/16 inch AVT Rotary Hammer, SDS-MAXProduct Review<P> Click on the link for more reviews<P>Makita's Anti-Vibration Technology incorporates a counterbalance system that reduces vibration to only 4.5 m/s2 for unmatched comfort<P>Powerful 11 AMP motor; efficient 1,350 - 2,750 BPM to tackle the most demanding jobs<P>Preset variable speed dial with 5 settings to match the bit speed to the application<P>L.E.D. power light indicates switch failure or cord breakage; L.E.D. service light indicates carbon brushes need to be replaced<P>1 year warranty<P>