Specifications: Air Consumption - CFM: 12.3 Free Speed - rpm: 2,300 Overall Length (approx) - in: 11.4 Overall Length (approx) - mm: 290 Recommended Torque Range (approx) - ft lbs: 22.2-37.0 Recommended Torque Range (approx) - Nm: 30.0-50.0 Square Drive - in: 1/2 Weight - kg: 1.85 Weight - lb: 4.1