NEW! 308B Air Straight Die Grinder : Specifications Chart < Back Customize This Chart View entire chart Rated Power hp (kW) Max Free Speed (rpm) Exhaust Output Wheel Size in. (mm) Weight lbs. (kg) Length in. (mm) Vibration m/s2 Sound Pressure/Power dBA Average Air Consumption cfm (L/min) Air Consumption @ Load cfm (L/min) Air Inlet Size NPT in. Min Hose Size in. (mm) Model 308b Rated Power hp (kW)Max Free Speed (rpm)ExhaustOutputWheel Size in. (mm)Weight lbs. (kg)Length in. (mm)Vibration m/s2Sound Pressure/Power dBAAverage Air Consumption cfm (L/min)Air Consumption @ Load cfm (L/min)Air Inlet Size NPT in.Min Hose Size in. (mm) 0.33 (0.25)25000Rear1/4" (6)n/a1.02 (0.46)6.85" (174)n/a92/1037 (198)28 (793)1/4"3/8" (10)