Originally Posted by getem2011
Mil- comm tw25b, hands down the best IMO. A little goes a LONG way and has proven great against rust in my experience. They may send a free sample to you if you shoot them an email.
I second the recommendation for Mil-Comm. Grease, oil, cleaner, and lock lube. There are a lot that are close, but for me, so far, this one wins.
(I have no association with the company or the people ... I'm just a happy user.)