Product_description: ['Technical Specification Item Nutrunner Drive Size 1 Torque Range 250 to 650 ft.-lb. Max. Torque 660 ft.-lb. Free Speed 100 rpm Air Pressure 90 psi Air Consumption 40 cfm Power Source Air Powered Max. Air Pressure 102 psi Min. Air Pressure 44 psi Min. Hose Size 3/8 in Exhaust Location Bottom Duty Rating Industrial Duty Air Inlet 3/8 NPT Handle Type Pistol Grip Handle Material Aluminum Housing Material Steel Overall Length 13-5/8 Fastening Torque 660 ft.-lb. Reversible Yes Head Width 2-1/4 Head Height 1-1/8 Reaction Bar Yes Clutch Style Air Shut Off Throttle Type Variable-Speed Trigger Vibration Level Less Than 2.5 m/s² Noise Level 79dB Retainer Type Through Hole Side to Center 1-1/8 Includes Reaction Arm Tool Weight 16.3 lb. Tool Brand Chicago Pneumatic Standards 2006/42/EC (17/05/2006), EN ISO 11148-6:2012, ISO 28927-2 This listing is for each.'] (Page 1)