General purpose Impact Wrench - Maximum Torque 540 Nm at 90psi - Positive action trigger - allows variable speed - forward and reverse independent power regulator - Pin clutch hammer mechanism - Forward and reverse mode - Rear exhaust 4 forward operation impact settings single handed direction change - non slip grip - excellent balance - 2.0kg - 96.6db(A) - Vibration 1.39 m/s2