Historically, impact wrenches were predominantly pneumatic, or air powered, which left them squarely in the domain of professional mechanics. To run a typical 1⁄2-inch pneumatic impact wrench ...
A half-inch anvil with a friction ring allows quick changes with an impact wrench socket set. Key specs: The Ingersoll Rand 2235QTiMAX is a pneumatic air impact wrench with a twin-hammer mechanism.