For really rusty tools,
EvapoRust is great at gently busting up the rust. It's non-toxic, and pretty mild smelling. I've used this in a couple bike tanks and pliers with some great results. It works through
chelation to bond to, and pull away the iron oxide, when this happens generally the carbon from that steel is left, so you get a light black finish. This can be left in a bucket and tools put in whenever. It doesn't lose effectiveness for quite a few treatments.
If you're after that factory finish on the CL's I would wire brush them to a raw brushed finish. Then if you want raw, you can use a
paste wax. When I was in school for Machine tool, this is what we used on all the raw steel tables, mills, and anything else. Stinks, but it protects raw steel really well.
Otherwise, most CL's are lacquered/ clear coated. If you go this route make sure you remove and oils from the steel.
For chrome sockets that a just dirty, I just toss in my tumbler with crushed walnut and a quick spray of
Deep creep. The deep creep cuts the rust, and helps protect them. It doesn't take much, maybe a 1 or 2 second spray into the walnut. Corn cob works too, but it gets jammed into the sockets.
For wrenches, I find it best to clean them with carb/brake cleaner, let them dry, and the mist them with the
dry-lube/teflon wax. Let the wax dry to a film and wipe them off. You get a killer sheen that isn't sticky or greasy.
Finishes are kind of a hobby of mine, so I like to experiment. I got sick of our new stainless fridge getting excessive finger prints, so I used
M-ron glass, and I haven't had a fingerprint in a year. I did take a progress picture of the wax on the fridge, sent it to my gf, and asked why comet would do that. That was worth the chuckle all its own. A good wax fixes a lot of things.
I can be a bit of a wrench polisher, but clean / protected tools last longer.
I melted my Snap On hard handles with Brakleen. Anybody have tips for cleaning soft grip handles? I've heard the gritless gojo is good. I use that for my surface plates.
I love ressurecting old tools and machines. A grinder with a wire wheel is like therapy for me. A buffer and my gun bluing and I could be happy the rest of my days. If I could only do the caustic salt psychodelic bluing.
The best thing I've found is regular
orange hand cleaner with pumice. I have a Kobalt roto-head that I love but the blue can get pretty nasty. Just a small squirt and a "motorcycle grip" scrub, and its back to new.