Stock Number JT9-505621 Air Consumption (CFM) 4.0000 Air Hose (ID/In.) 3/8 Air Inlet (NPT) 1/4 Air Pressure (PSI) 90 Chuck Size (In.) 1/2 Free Speed (RPM) 800.0000 Horse Power (HP) 0.5000 Min. Air Hose (ID) 3/8 Model Number JAT-621 Overall Length (In.) 8-5/8 Prop 65 Cancer and Reproductive Harm Sound Power (db) (A) 90.0000 Sound Pressure (db) (A) 83.0000 Spindle Thread (In./TPI) 3/8"-24 UNF Vibration Value (m/s²) 0.4000 Weight (Lbs.) 3.46