We have Makita HR3210C 1-1/4-Inch AVT SDS-Plus Rotary Hammer with Product Detail Makita's Anti-Vibration Technology incorporates a counterbalance system that reduces vibration for unmatched comfort Powerful 8.2 AMP motor; 1,650-3,300 BPM for demanding applications Electronic variable speed control allows user to set the speed based on the application One-touch sliding chuck allows for quick bit changes 1 year warranty . The "Makita HR3210C 1-1/4-Inch AVT SDS-Plus Rotary Hammer" is best product for you. We recommended Makita HR3210C 1-1/4-Inch AVT SDS-Plus Rotary Hammer