Specifications: Model: URW-10N Air Consumption - ft3/min: 25 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 150 Max Hex Socket Size - in: 3/4 Max Hex Socket Size - mm: 19 Max. Torque - ft-lbs: 41.92 Max. Torque - Nm: 56.84 Overall Length (approx) - in: 15.5 Overall Length (approx) - mm: 394 Weight - lb: 5.8