Specifications: Angle Head Model: UAN-701R-40C Air Cons - CFM: 31.6 Air Inlet Thread N.P.T. - in: 1/4 Angle Head Height - in: 2.01 Angle Head Height - mm: 51 Center To Outside - in: 0.7 Center To Outside - mm: 18 Free Speed - rpm: 400 Noise Level - dB(A): 85 Overall Length - in: 17.9 Overall Length - mm: 455 Square Drive: 3/8 Torque Range - ft lbs: 21 - 33.3 Torque Range - Nm: 28 - 45 Weight Less Socket - kg: 2.4 Weight less Socket - lb: 5.3