TECHNICAL SPECIFICATION: G-series: ? | Nominal Battery Voltage: 18 V | Battery Chemistry (Ni-Cd / Ni-MH / Li-ion): Li-ion | No load speed: 0 – 400 / 0 – 1400 min?? | Max. fastening torque Hard/Soft: 42 / 24 Nm | Torque setting: 16 | Max. Drilling Diameter in Wood: 36 mm | Max. Drilling Diameter in Steel: 13 mm | Driving Shank: 1/2″-20UNF” | Drill Chuck Capacity: 1.5 – 13 mm | Noise Uncertainty (K Factor): 3 dB(A) | Vibration Level (3 axes), Drilling: ? 2.5 m/s? | Vibration Uncertainty (K Factor): 1.5 m/s? | Product Dimensions (L x W x H): 221 x 83 x 240 mm | Product weight: 1.3 kg | USER BENEFITS: Compact and lightweight design | The rubber coating on the handle ensures a firm working grip | All metal gear construction for extra-high transmission durability | Mechanical 2-speed gearing; High speed mode for speedy drilling in light duty applications; Low speed mode for heavy duty applications requiring high torque | 16 clutch settings and drill mode for added fastening control