Description Unique Metabo brushless motor for quick work progress and highest efficiency for any application Overload protection: protects the motor from overheating High torque accompanied by an exceptionally compact design Low kick-back operation with extremely high torque Twelve speed/torque levels for a wide range of applications Integrated work light for illumination of the work area Robust die cast aluminium gear housing for optimum heat dissipation and durability Handy belt hook, can be fixed either on the right or left side With metaBOX, the intelligent solution for transport and storage   Type of battery pack: LiPOWER Battery voltage: 18 V Battery pack capacity: 2 x 4 Ah Max. screw size: M20 Max. no-load speed: 0 – 2150 rpm Maximum impact rate: 4250 bpm Maximum torque: 400 Nm / 295 ft. lbs Max. loosening torque: 620 Nm / 420 ft. lbs Speed/torque levels: 12 Bit retainer: Male square 1/2″ (12.70 mm)