Makita HM1205C SDS-MAX Demolition Hammer is equipped with an SDS-MAX Shank that allows easy bit installation and removal. This Demolition Hammer has a 1510 W motor with an impact energy of 19.1 Joules and an impact rate ranging from 950 – 1900 ipm. It comes with a soft start feature to prevent start-up reaction and to provide better control and improved accuracy.