Now these are perfect applications for
Fluid Film. Fluid Film stops and loosens existing rust on contact. It also prevents rust on all metals. There is no other product on the market like it. It has a unique lanolin base and is manufactured without the use of solvents.
If you haven't tried it and live in the US, try a sample can on us. It WILL prove itself. Just PM me your contact info and I'll get one in the mail.