Specifications: Model: UXR-3000S Air Consumption - ft3/min: 37.1 Free Speed - rpm: 4,400 Noise Level - dB(A): 89 Overall Length (approx) - in: 16.6 Overall Length (approx) - mm: 421 Square Drive - in: 1.0 Torque Range - ft lbs: 360 ~ 630 Torque Range - Nm: 500 ~ 850 Weight less Socket - kg: 13.3 Weight less Socket - lb: 29.3