Impact Energy: 0 - 1.7 J. Toolholder: SDS-plus. Drilling Diameter Concrete, Hammer Drill Bits: 4 - 18 mm. Optional Application Range Concrete, Hammer Drill Bits: 4 - 10 mm. Vibration Emission Value Ah 15m/s. Uncertainty K: 1.5m/s. Compact Design. High Torque Motor and Powerful Hammer Mechanism are Optimised for Fixing Holes Upto 10 mm. Reverse Operation for Removing Screws. Softgrip Handle and Gear Housing. Impact Stop for Drilling in Wood and Steel. Overload Clutch.