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 ...

The drawbar on his mill has a nearly 3/8″ square drive – we’d guess it’s really 10 mm – which almost matches up with the 3/8″ drive on the air wrench, so he whipped up a female-to ...

Impact wrenches are essential for heavy-duty ... Pneumatic models offer the highest torque but require an air compressor, so they're often used in professional garages. Corded models provide ...