Attachment 241263Attachment 241264
This is what mine look like, all four. As you can see, I can take the knobs completely off, which I understand differs to the M. Tightend all the way the the plastic of the knobs lays flush with the base of the standards.
What I find strange, and I hope I can explain this properly, is that when I do tighten the knobs, as soon as the knob base hits the standard base, I cannot tighten anymore, not even a fraction of a mm, whereby I would logically expect that I should be able to do so to create the tension necessary to hold any two pieces together, does that make sense?
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