Try this. A replacement for the 3021 column lock. http://bogentripodparts.com/3021modification.htm
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Try this. A replacement for the 3021 column lock. http://bogentripodparts.com/3021modification.htm
I've hunted all over and can't find the article. I did find a guy who was selling a replacement knob on Ebay that he was making, but he seems to have disappeared. Here is that link:...
The lever is, indeed, no longer available. I saw an article that described removing the rod, filing down the ears and used a die to thread it. Then screwing on a suitable plastic knob.