3/8IN Nano Flex-Head Angle Impact Wrench – 400ft/lb An industry first true flex-head impact wrench and with our shortest length yet at 3.34. Patented design features innovative dual air intake motor and twin hammer mechanism for increased power, and 180° flex-head with 360° swivel handle for maximum access. Perfect for brake caliper bolts or wherever you can hook the ultra-slim impact head Specification:. Square Drive: 3/8. Working Torque: 280ft.lbs. Max Torque: 400ft.lbs. Overall Length: 3.34(85mm). Vibration Level: 4.9m/sec. Air Inlet: 1/4(6.35mm). Free Speed: 8000 R.P.M. Air Pressure: 90 psi. Recommended Minimum. Hose Bore Diameter: 3/8(10mm). Recommended Maximum. Hose Length: 30 ft (10m). Clutch Type: Twin Hammer. Av. Air Consumption: 4 CFM 1833 WARNING: This product can expose you to chemicals including Gasoline engine exhaust (condensates/extracts) which is known to the State of California to cause Cancer and Ethylene glycol (ingested)which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Gasoline engine exhaust (condensates/extracts)