Many tool cleaning methods are discussed in this thread. I recommend following many of the techniques discussed by McGee and others regarding the use of the 3M radial discs and Evaporust.
-Donrust removal
I have a Parker No.8 vise that was left outside for years and is now froze. I bought a bunch of vinegar on clearance at HD for $.90 a gallon. I'm thinking putting the vise in a pail covered in vinegar and setting aside for a month or two. Any chance of this damaging the vise, freeing up the...www.garagejournal.com