The Fein ASCD 18-300 impact wrench with brushless motor and 6-stage torque setting is great for metric screwdriving applications up to M18 Fein\'s Brushless PowerDrive motor now has 30% higher efficiency and a longer service life. Electronic 6-stage torque setting prevents screw heads from being torn off with 10% more torque in reverse running to loosen screws which are extremely tight. Can be operated with all FEIN Li-ion batteries (12-18 V). Half an inch square for holding sockets with robust solid metal impact gear. Compact in design with a contact guard on the gearbox head. Features: MultiVolt interface. Cordless tool can be operated with all FEIN Li-ion batteries (12-18 V) 1/2 in square for holding sockets Robust solid metal impact gear Contact guard on gearbox head Compact design 600 screw connections (M18) with one battery charge (6 Ah) One charger for all FEIN Li-ion batteries of all voltage classes The battery charge can be read off the battery FEIN SafetyCell technology. Protects the battery and tool from overload, overheating and total discharge Metric screws up to M18 (8.8) Comes With: 1 x cordless impact driver 1 x belt clip 1 x magnetic bit storage 1 x plastic carrying case Specification: Battery voltage: 18 V Battery compatibility: Li-ion / HighPower Li-ion Battery interface: MultiVolt Motor: brushless Speed, no load: 0 - 1,700 rpm Impacts: 0 - 3,400 rpm Max. torque: 290 Nm Torque levels: 6 Tool Holder: 1/2 in Outer square Max. metric screw: M18 (8.8) Wood screw Ø: 8 x 300 mm