Specifications: Model: URW-10N-1 Air Consumption - ft3/min: 29 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 150 Max Hex Socket Size - in: 9/16 Max Hex Socket Size - mm: 15 Max. Torque - ft-lbs: 41.92 Max. Torque - Nm: 56.84 Overall Length (approx) - in: 16.4 Overall Length (approx) - mm: 417 Weight - lb: 5.7