In addition to applications, Harbor Freight's various nail guns also come in two different power types: Air and cordless. Air nailers fire off nails using compressed air, delivered via a pneumatic ...

When buying a nail gun, you may also want to consider a pneumatic gun. Also called air nail guns, these models are powered by compressed air. The compressed air delivers increased power.

All you need to know is that nail guns come in two distinct, common flavours (four if you count the corded ones, or those that require compressed air): the brad nailer and the finishing nailer.