The PAOLI"s DP 36 AL series impact wrenches feature a 1/2" square drive, M10-M16 bolt range, 49-611 Nm working torque, 750 Nm maximum torque, 2.38 kg, 5,600 RPM free speed, 1,100 impacts/min, 6.3 bar working pressure, 1/4" GAS air inlet, 8 mm inner hose diameter, 159 mm length, 31 mm from side to center, handle and hammer mechanisms.