We have Makita HR4041C-R 1-9/16-in Spline Rotary Hammer with Product Detail Dual modes of "hammering only" or "rotation with hammering" for multiple applications Powerful 12 Amp motor offers 230 - 460-rpm for the most demanding jobs No hammering while idling helps increase tool life Torque limiting clutch Electronic variable speed control dial enables user to set speed per application . The "Makita HR4041C-R 1-9/16-in Spline Rotary Hammer" is best product for you. We recommended Makita HR4041C-R 1-9/16-in Spline Rotary Hammer