Specifications: Model: UOW-11-22 Air Consumption - ft3/min: 12.5 Free Speed - rpm: 180 Max Hex Socket Size - in: 1/2 - 7/8 Max Hex Socket Size - mm: 13 - 24 Max. Torque - ft-lb: 17.35 Max. Torque - Nm: 23.52 Noise Level - dB(A): 75 Overall Length (approx) - in: 12.8 Overall Length (approx) - mm: 326 Weight - lb: 4.0