Free Speed - rpm: 360 Output Drive - in: 3/8 sq. dr. Overall Length - in: 17.89 Overall Length - mm: 454.41 Peak - ft-lb: 40.5 Peak - Nm: 55 Recommended Torque Range - ft-lb: 8.1-32.5 Recommended Torque Range - Nm: 11-44 Weight Less Socket - kg: 1.63 Weight Less Socket - lb: 3.6