Bosch GO Professional Cordless Screwdriver 06019H2181 Battery capacity-1.5 Ah Battery voltage-3.6 V Torque (soft/hard/max.) -/5/- Nm Chuck type-1/4' with internal hexagon shank Chuck capacity, min./max.-6.35 mm Battery type-Lithium-Ion Clutch torque-0.2 - 5 Nm