Pneumatic Die Grinder; 21 CFM Maximum Air Consumption; 10.5 CFM Minimum Air Consumption; 1/4" NPT Collet Size; Lock-Off Lever Throttle Control Type; 24000 RPM Maximum Free Speed; Body Grip Handle Type; 3" Nominal Height; 3/8" Nominal Hose Size; Metal Housing Material; 8" Nominal Length; 92.5 dB Nominal Noise Level; 1/2 HP Nominal Power Capacity; 90 PSI Nominal Pressure; 4.8 m/s² Maximum Vibration; 5" Nominal Width; For Buffing and Cleaning Tire and Molding or Porting Application