Thanks, John!
The throw on the helical is a very generous 20mm. In order to make it durable, secure and light tight, the helical will either be screwed or glued into the body. We'd prefer to make it screwed, because it simplifies assembly. If it's screwed in, then there's a slight chance that the user would be able to unscrew the helical and screw on the 65 plate. But I must stress that this is completely hypothetical at this point, because we need to hear from the manufacturer whether it's cheaper in the end to do metal inserts or spend more time in assembly.
Thanks for helping to spread the word! Let's hope this momentum continues.
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