here is the thread about it

Et tu, Loren??

(actually, awful puns notwithstanding, I won't complain. This topic just solved a minor problem. I wanted to get some metric thumbscrews to make a new Kenwood ham radio into a quasi-quick-release, but couldn't be sure what size they were. Light dawns: unscrew Kenwood screw, thread into back of Empeg sled. Voila! 4mm)