HF has the same break it and return it policy with all its hand tools. and in general, they hold up very well, especially without moving parts.
i bought one of their clicker torque wrenches. its really solid, comes in a nice case, and is quite accurate. iirc, its the 15 inch one. was on sale.
With my racing team at uc berkeley, we either get really goood stuff donated or buy the cheapest crap we can find.
the HF bench grinder is quite good, and has put up with quite a bit of abuse.
the blasting cabinets can easily be made nice.
my portable, bottom/hose fed sand blaster gun works well.
i have heard that the mini metal lathes are excellent, once you adjust the preloads correctly. you can add a milling attatchment, and have a good machining setup for 500 dollars. (20 % off one item codes are always around)
wire brushes suck, but do their job. they're a buck a pop, and arent supposed to go over 4000 rpm, but work great on grinders. they shed metal hairs, but not a big deal outside with a face mask (also from hf) or a paintball mask, like i use.
i have a couple sets of their metric tap/die kit. the taps and dies are nice, but the die holder and large T handle for the taps suck and are made of sintered crap metal. theyre so cheap, i can overlook that, and buy a decent tap holder.
the 1/2 inch impact sockets are quite good, as are the U joints and extension