We have Makita HR4041C 1-9/16-Inch Rotary Hammer Spline with Product Detail Powerful 12 amp motor; 230-460 RPM for the most demanding jobs Dual-purpose "hammering only" or "rotation with hammering" modes for multiple applications 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 1-9/16-Inch Rotary Hammer Spline" is best product for you. We recommended Makita HR4041C 1-9/16-Inch Rotary Hammer Spline