Super Short Mini 1/2in. Air Impact Wrench

Specification:
Drive Size: 1/2in.
Free Speed: 11500 RPM
 Working Torque: 320 ft-lb
Max. Torque: 400 ft-lb
Inlet (NPT): 1/4in.
Mechanism: Twin Hammer
Working Air Pressure: 90 PSI 
Air Consumption: 36 SCFM 
Product Weight: 3.3 lb
Length:4-7/8in. (123 mm)