Specifications: Angle Head Model: UAN-611R-40C Air Cons - CFM: 21.1 Air Inlet Thread N.P.T. - in: 1/4 Angle Head Height - in: 1.9 Angle Head Height - mm: 47 Center To Outside - in: 0.6 Center To Outside - mm: 14 Free Speed - rpm: 400 Noise Level - dB(A): 8071 Overall Length - in: 14.7 Overall Length - mm: 373 Square Drive: 3/8 Torque Range - ft-lbs: 7.2 - 12.9 Torque Range - Nm: 10 - 18 Weight Less Socket - kg: 1.6 Weight Less Socket - lb: 3.5