JTC-5301 1/2"槍型氣動扳手(世界短)Max torque: 550 ft/lb.Net weight: 1.36 kg.Length: 99 mm.Air Consumption: 0.2 m3/minAir Inlet: 1/4" inch. Vibration: 2.8 m/g2.Speed: 11,000 RPM.Mechanism: jumbo hammer.