An air impact wrench is a power wrench that uses compressed air to produce a high torque. This is high torque comes about when the compressed air, that is stored on a mass is released at the same time and sent to the output shaft causing the shaft to rotate.
by Chicago Pneumatics
Chicago Pneumatic CP7748 1/2-Inch Impact Wrench
- pro's Simple to use.}Comfortable on the hands.}Powerful.}Neat design.}
- con's Lacks speed adjustment.}Doesn’t come with different shaft sizes.}