Specifications: Model: UX-120EC Air Consumption - ft3/min: 28.2 Free Speed - rpm: 900 Noise Level - dB(A): 77 Overall Length - in: 10 Overall Length - mm: 253 Piston Stroke - in: 1.4 Piston Stroke - mm: 36 Sq Drive Shank or Hex Bit Shank - in: 1/2 Torque Range - ft-lb: 47.9 - 88.8 Torque Range - Nm: 65 - 120 Weight less Socket - kg: 3.9 Weight less Socket - lb: 8.6