I was just checking out the harbor freight air nailers. The main concern I had was for the triggers, the plastic seemed really thin and poorly connected. I'll have to check out this video
This is just for this specific impact wrench. HF quality can vary a lot, but where as it used to be just crap and worse crap, there are a few very specific instances now where they actually have some gems. This impact wrench appears to be one minus some very slight concerns.