42 lb. AVT® Breaker Hammer, accepts 1-1/8" Hex bitsModel HM1317CBAnti-Vibration Technology for 2X Less Vibration- Powerful 14 AMP motor delivers 25.7 ft.lbs. of impact energy to handle the most demanding applications.- L.E.D. service light notifies the user approximately 8 hours before the brushes need to be replaced.- Variable speed control dial enables user to match the speed to the application for greater versatility.- L.E.D. power light indicates switch failure or cord damage.- Rubberized ergonomic soft grip provides more comfort.- Powerful 14 AMP motor delivers 25.7 ft.lbs. of impact energy to handle the most demanding applications- Constant speed control automatically applies additional power to the motor to maintain speed under load to complete the most challenging jobs.- Soft start suppresses start-up reaction for more control and better accuracy.- Extended life brushes are longer for more work between service intervals and less downtime.