14.4v 1650rpm 24nm 3/8 Chuck. Package includes tool, NiMH battery, charger and Phillips bit in molded case. For use on bolts, please purchase a 3/8” square drive adaptor (A3S03A-2). Specifications: Battery Charging Time: 1-hour auto cut-off Keyless Chuck Capacity - in: 3/8 Max. Torque - ft-lbs: 18 Max. Torque - Nm: 24 Speed - No Load rpm: 460-1650 Voltage (V): DC-14.4 Weight - lb: 4.2