Ideal for drilling anchor fixing and through holes in concrete and masonry from 12 to 48 mm in diameter. Core drilling up to 125 mm. Active Vibration Control system incorporating a counterbalance mass and 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 and core bits providing the maximum level of protection in all drilling applications. Electronic variable speed and impact energy control. Lock-on switch for chipping. Rotation-stop for demolition applications in brick, masonry and light chasing in concrete. Brush wear and service indicators.