We have Makita HM1317CB 42-Pound Breaker Hammer with Anti-Vibration Technology with Product Detail Anti-Vibration Technology (AVT), Makita's exclusive counterbalance system, reduces vibration Powerful 14 AMP motor to handle the most demanding applications Electronic variable speed control dial enables user to set the speed to the application "No hammering when idling" helps increase tool life Easy-to-operate slide switch increases productivity and allows for continuous use . The "Makita HM1317CB 42-Pound Breaker Hammer with Anti-Vibration Technology" is best product for you. We recommended Makita HM1317CB 42-Pound Breaker Hammer with Anti-Vibration Technology