Ideal for drilling anchor fixing & through holes in concrete & masonry from 12 to 48 mm in diameter. Core drilling up to 125 mm. Active Vibration Control system incorporating a counterbalance mass & floating handle delivers extremely low vibration. Complete Torque Control. A patented 2 step clutch allows the user to select one of two settings for different diameter drill & core bits providing the maximum level of protection in all drilling applications. Electronic variable speed & impact energy control. Lock-on switch for chipping. Rotation-stop for demolition applications in brick, masonry & light chasing in concrete. Brush wear & service indicators.