Specification:

Square Drive: 1/2"(12.7MM)
Bolt Capacity: 3/4"(18MM)
Free Speed: 10,000 rpm
N.W. 3.7kgs
Length:155mm (6.1")
Max. Torque: 280/380 Ft-lbs(Nm)
Air Inlet:1/4"
Hose Size: 3/8"
Air Pressure: 90PSI(6.3 kg/sq.cm)
Avarage Air Consumption: 2.8cfm (130 L/min)
Noise Level: 92 dBA