I highly recommend Caig Products. I built my K3 #604 using Caig DeoxIT ProGold. I used the small plastic tube and slid it over each male pin, completely coating each pin.
This provides some lubrication for each pin allowing easier insertion and removal. This eliminates oxidation of the pins. This keeps the contact resistance low. It's a good thing. Ron Durie WB4OOA K3 #604 _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com