I have found Screw Grab helpful for situations like this: http://www.screwgrab.com/screwgrab.html Barry W2UP -- View this message in context: http://elecraft.365791.n2.nabble.com/Problem-with-a-K3-screw-suggestions-needed-tp7567729p7567750.html Sent from the Elecraft mailing list archive at Nabble.com.