ules Of Impact Energy For Fast Drilling Durable German-Engineered Hammer Mechanism Shocks Active Vibration Control® Technology Reduces Vibration Felt At The Handles For Less User Fatigue And Greater Productivity Factory-Set Clutch Reduces Sudden, High-Torque Reactions If Bit Jams Optimized Ergonomic Design Provides Excellent Control In All Orientations Variable Speed Trigger For Accurate Hole Starting Category-Leading High Speed Drilling Performance Compact, Lightweight And Ergonomic Design For Improved Comfort And Support During Extended Operating Periods Ideal For Drilling Anchors And Fixing Holes Into Concrete, Brick Andmasonry From 4mm To 30mm