Specifications: Model: UX-900S Air Consumption - ft3/min: 16 Free Speed - rpm: 7,600 Noise Level - dB(A): 79 Overall Length (approx) - in: 12.2 Overall Length (approx) - mm: 310 Square Drive - in: 1/2 Torque Range - ft lbs: 35 ~ 55 Torque Range - Nm: 45 ~ 75 Weight less Socket - kg: 1.8 Weight less Socket - lb: 3.9