Impact wrenches are essential for heavy-duty fastening or loosening tasks ... Key specs: The Ingersoll Rand 2235QTiMAX is a pneumatic air impact wrench with a twin-hammer mechanism.

Rather than being tied to a compressor with an air hose, these tools can easily go wherever they’re needed. We tested a range of impact wrenches—from a heavy-duty, high-torque model down to a ...