Specifications: Model: UOW-T60-30 Air Consumption - ft3/min: 18 Air Inlet Thread N.P.T. - in: 1/4 Free Speed - rpm: 130 Max Hex Socket Size - in: 5/8 - 1 3/16 Max Hex Socket Size - mm: 17 - 32 Noise Level - dB(A): 75 Overall Length (approx) - in: 16.6 Overall Length (approx) - mm: 422 Torque Range - ft lbs: 7.2 ~ 23.1 Torque Range - Nm: 9.8 ~ 31.4 Weight - lb: 6.4