6" drive shaft, especially suitable for bolt tightening operation in pipe pile factory No-pin percussion cylinder structure, large torque, longer life Plastic steel handle, not easy to break The forward and reverse three gears reverse and adjust the speed to meet different torque requirements Ultra light weight, super torque 15° inclined joints
Product Information
Model Name: 1-Inch Air Impact Wrench
Model No.: A312
Square Drive:1" 
Dimension:510*181*117mm
Free Speed:4000 RPM
Air Inlet:1/2"
Net Weight:25.8 Lbs (11.7kgs)
Working Torque:2600 N.m