If it's a hex, I'm guessing probably a 2mm allen wrench will do the trick.... pretty sure. I don't have any actual motm modules, but I have some look alike knobs with the same set screws.
Hope this helps.
-Ian Smith
________________________________
> To: motm@yahoogroups.com
> From: mathroutine@...
> Date: Tue, 29 Jul 2008 03:21:01 +0000
> Subject: [motm] motm knob format
>
>
> Hello, what tool/size is required to unscrew the motm knobs? On the
> ones I have it appears to be a very small hexagonal shaped hole...thanks.
>
>
>
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