Specifications: Air Consumption - ft3/min: 57.0 Air Inlet Thread N.P.T. - in: 1/4 Average Air Consumption - m3/min: 1.60 Capacity (Wheel Size)- in: 7 Capacity (Wheel Size)- mm: 180 Free Speed - rpm: 7600 Noise Level - dB(A): 83 Overall Length (approx) - in: 11 13/16 Overall Length (approx) - mm: 300 Rated Horse Power - w: 1500 Type of Spindle: OUT Weight - lb: 6.4