We have Makita HM1317CB 42 lb. AVT Hex Shank Bit Breaker Hammer with Product Detail Anti-Vibration Technology for increased end-user comfort Powerful 14 AMP motor to handle the most demanding applications Electronic variable speed control dial enables user to set the speed to the application Enlarged carbon brush for increased tool life L.E.D. service light indicates carbon brushes need to be replaced . The "Makita HM1317CB 42 lb. AVT Hex Shank Bit Breaker Hammer" is best product for you. We recommended Makita HM1317CB 42 lb. AVT Hex Shank Bit Breaker Hammer