1/2″ 104mm Air Impact Wrench, Jumbo Hammer Features 1/2″ 104mm Air Impact Wrench Jumbo Hammer type Air inlet : 1/4” Ergonomic design, lightweight 1.4kg Excellent Max torque 900NM (650FT/LB) Mini type with overall length 104mm, ultralight and easy to use. Additional Info Square Drive:  1/2″ Bolt Capacity: 5/8″  Torque Range: 180-400 (244-542Nm) Max Torque: 650ft-lb (900 Nm) Free Speed: 9000 RPM Avg. Air Consumption:  4.69 CFM (132.8 L/min) Air Pressure: 90 PSI (6.3 Bar) Overall Length: 4-1/16″ (104 mm) Weight: 1.4kg Air Hose:  3/8″ Sound Pressure: 95.0 dBA Vibration Level: 2.4 m/s²