I'm a diesel mechanic and
I'm a diesel mechanic and here's how I look at it, if it is something I am going to use rarely harbor freight is fine like the rivet gun I use once a year or two, and my carry around box that sits in my pickup is harbor freight, I have mostly old craftsman hand tools and Cornwell air tools, strap on is my last resort for tools I can't get from anywhere else, toolboxes I also get from Cornwell