Historically, impact wrenches were predominantly pneumatic ... s M18 Fuel 3⁄8-inch mid-torque wrench never skipped a beat. We used a 1⁄2- to 3⁄8-inch adapter to remove and replace the ...

Some mills require you to lock the spindle with a spanner wrench ... up with the 3/8″ drive on the air wrench, so he whipped up a female-to-female adapter from a couple of socket adapters.