SPECIFICATIONS : Parameters Battery voltage: 18 V Max. screw size: M16 Max. idle speed: 3050 /min Maximum number of strokes: 3900 /min Maximum torque: 300 Nm Max. twisting torque: 480 Nm Speed/torque stages: 3 Tool holder: 1/2" (12.70 mm) square mandrel) Weight without battery: 1.18 kg Weight with battery: 1.1. 58 kg Vibration Impact Spinning: 13.8 m/s2 Measurement Uncertainty Factor K: 1.5 m/s2 Noise Emission Measurement Uncertainty Factor K: 3 dB(A) 1/2'' SSW 18 LT 300 BL Cordless Impact Wrench 0*AH Compact cordless impact wrench with 1/2" square shank and 300 Nm torque The unique Metabo brushless motor guarantees fast work progress and top performance in every application Three speed/torque levels for a variety of applications Integrated work light for workplace lighting Robust die-cast aluminium gear housing - optimal heat dissipation and durability With practical belt clip for fixing on the right or left side. With metaBOX, the intelligent transport and storage solution metaBOX 145 belt clip without battery, without charger **