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 High torque machine with low kick-back 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 Ultra-M technology: highest performance, gentle charging and 3 years of warranty on the battery pack. The machine shown may differ in equipment and technical details depending on the configuration. Kindly pay attention to delivery scope and product description. Accessories included only if listed in the delivery scope. Characteristics Battery voltage18 V Max. screw sizeM20 Max. no-load speed0 - 2150 rpm Maximum impact rate4250 bpm Maximum torque400 Nm / 295 ft. lbs Max. loosening torque620 Nm / 420 ft. lbs Speed/torque levels12 Bit retainerMale square 1/2" (12.70 mm) Vibration Impact screwdriving12 m/s² Uncertainty of measurement K1.5 m/s² Noise emission Sound pressure level100 dB(A) Sound power level (LwA)111 dB(A) Uncertainty of measurement K3 dB(A)