We have Makita HR5000 2-Inch Rotary Hammer Spline with Product Detail All ball and needle bearings for longer tool life Powerful 11 amp motor for heavy duty use Torque limiting clutch Spline" type drive system for maximum power Easy lever change from "hammering only" or "rotation with hammering" . The "Makita HR5000 2-Inch Rotary Hammer Spline" is best product for you. We recommended Makita HR5000 2-Inch Rotary Hammer Spline