Extremely powerful cordless impact wrench with 1/2" external square drive and 1450 Nm. Unique Metabo brushless motor for fast work progress and maximum efficiency in every application. Loosening in APS mode (Automatic Power Shift): prevents the screw/nut from falling by automatically reducing the speed after loosening. Overload protection: protects the motor from overheating. Very powerful for heavy-duty screwdriving applications. Low-kickback working with very high torque. Twelve speed/torque settings for a wide range of applications. Integrated work light to illuminate the work area. Robust die-cast aluminum gearbox housing for optimal heat dissipation and durability. Many brands, one battery system: This product is compatible with numerous 18V battery packs and chargers from the CAS brands. (cordless alliance system).