Air Inlet: 1/4" NPT , Anvil: Standard , Average CFM @ 15 Second Run Time: 5.10 , CFM @ Full Load: 24.9 , Duty: Light , Free Speed: 7000 rpm , Green Certification or Other Recognition: SCS Indoor Advantage Certified , Handle Material: Rubber , Lock Type: Accommodates Built-In Cylinder Lock and/or Padlock , Locker Door Type: Louvered , Material: Steel , Max. Torque: 250 ft.-lb. , Min. Hose Size: 3/8" , Overall Length: 7" , Required Pressure: 90 psi , Retainer Type: O-Ring , Square Drive Size: 1/2" , Style: Pistol Grip , Tier: One , Tool Weight: 4.8 lb. , Torque Range: 60 to 200 ft.-lb.