We have Makita HR4001C 1-9/16-Inch 11 Amp SDS-Max Rotary Hammer with Product Detail One touch sliding chuck accepts SDS-Max hammer steel 2-mode switch for "hammering only" or "hammering with rotation" Preset variable speed dial with 5 settings to match the bit speed to the application LED power light indicates switch failure or cord breakage;LED service light indicates carbon brushes need to be replaced Externally accessible brushes for easy replacement and longer motor life . The "Makita HR4001C 1-9/16-Inch 11 Amp SDS-Max Rotary Hammer" is best product for you. We recommended Makita HR4001C 1-9/16-Inch 11 Amp SDS-Max Rotary Hammer