Specifications: Model: URW-12NB Air Consumption - ft3/min: 25 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 85 Max Hex Socket Size - in: 1 Max Hex Socket Size - mm: 32 Max. Torque - ft-lbs: 68.69 Max. Torque - Nm: 93.1 Overall Length (approx) - in: 16.3 Overall Length (approx) - mm: 416 Weight - lb: 7.0