Adam.C - My apologies if I came across as rude. We had some things going on here that had me a little wound up.
~Chris
All good. I started using my dishwasher to clean old (natural) oil stones. People said they same things; I'm going to ruin my DW, my wife is going to kill me, all the dishes are going to come out with 100 yr old goo on them. None of that was true. But nor it is a panacea.
FWIW, I restored the impact sockets in my avatar from rust using Brownell's Oxpho Blue Creme. It was designed to touch up blued gun barrels/parts. I found if you heat the parts over a candle, the creme produces a deeper black that looks very similar to Black Oxide.
Fro batches of sockets that have lost their chrome, I would try Caswell Black Oxide plating kit and make them look like the Snap On industrial finish sockets. I think the black tools are cool looking.
Couple more tips- Once I restore the black, I apply a light film of oil and then wax. I often use black crayon, again with a bit of heat to get it to melt into the pores of the tool. I think this produces a finer smoother feel to the tool while adding some additional corrosion protection.
The white lettering is white crayon. I've done it to a couple tools to help me read the markings (allen keys mainly).
So if you do have sockets that have lost their plating, this is something you could try.