This design is an improvement over other mechanisms, reducing vibration and delivering greater torque.
It is used with machines for intense use, high torque, and industrial use. 
Tool internal structure: double hammer
Torque: 500 ft.lbs
Speed: 10000RPM
Air pressure: 90PSI
Tool weight: 1.3 kg
Tool body length: 105mm 
Inlet size: 1/4 "