Features Cordless Rotary Hammer HR166DZ Compact, lightweight "palm-size" design Rotary Hammer for ultimate usability: Suitable for upward and horizontal applications Vibration absorbing housing and ergonomic soft rubber grip design for vibration absorption and comfortable operation Close-to-hand gravity center for optimum balance and control High-efficiency drilling: Provides up to 50% more runtime, up to 40% more speed 1.1 Joules impact energy delivers high performance Standard Equipment: Side Grip, Depth Gauge Available Variants:Tool only ( Does not Include battery / charger / carry case ) Note Tool only (without Batteries & charger) Impact Energy / 1.0 J Capacity / Concrete: 14 mm / Steel: 10 mm / Wood: 13 mm Impacts Per Minute (IPM) / 0 - 4,900 No Load Speed (RPM) / 0 - 850 Vibration Level / Hammer Drilling Into Concrete: 6.5 m/s² Vibration Level / Drilling Into Metal: 3.0 m/s² or less Dimensions (L x W x H) / 246x74x179 mm (with BL1021B) Net weight / 1.9 kg (with BL1021B)