Specifications: Model: UXR-2000S Air Consumption - ft3/min: 35.2 Free Speed - rpm: 4,200 Noise Level - dB(A): 88 Overall Length (approx) - in: 13.4 Overall Length (approx) - mm: 340 Square Drive - in: 3/4 Torque Range - ft lbs: 220 ~ 330 Torque Range - Nm: 300 ~ 450 Weight less Socket - kg: 7.0 Weight less Socket - lb: 15.4