Doubtful as those aren't very common anymore. You can check their website, though. Barry - N4BUQ > Do you think they would have the square 4-40 nuts used on the shaft clamps? I lost the one for the BFO shaft a long time ago. I've since put on a hex, which seems to work well enough, but it doesn't seat down into the clamp. > > Bill Kulze W2NVD