There's nothing cheap about USA Craftsman on eBay. I was shocked at the pricing that people are getting for rusty 8 mm wrenches.
OP, other brands to consider are Williams or Proto.
Proto 15 piece 1/2"-drive metric socket set $115
NL is “non lube” which means that there is no oil in the compression chamber. I believe that is a single stage unit which accounts for the 80 PSIG discharge pressure. That pump is probably 50-years old and the available materials wouldn’t allow for a higher pressure. I don’t recommend exceeding...
The Gearwrench magnetic spark plug sockets work well and the built-in extension is useful in many cases, but not always. There are several brands that offer a magnetic socket, or you can look at the major tool brands like Snap-on, SK, Mac, Matco.
I finally managed to get to a couple of sales today and picked up some Craftsman USA goodness:
This little "Crown Top" 1/4" metric set is in very nice condition and very complete.
The wrench set looks to be unused although the vinyl wrap is torn.
I also picked up a stud remover and...
BMW hid it under the intake manifold on the N52 engine. You needed to have a flex head ratchet and E-Torx socket to remove the bolts. Genius design if you want to get a bunch of labor billing for your dealerships.