Dr Feickert Protractor


Hi 

I wonder if anyone can help.  I've just sold a Dr Feickert Mark II Projector on a well known auction site - it didn't have the allen key with it and the buyer is asking me what size key he needs to buy  - would anyone know what size key is needed for this ?   I've checked on the instruction manual and it's not listed. Many thanks.
juwi
+2 @lewm
What can I say I have one set metric one set SAE, plus one set small for my bike, plus one set metric Long 14 inches plus for certain radio equipment, plus a set on my guns tool bag, and also about 5 or 8 separates that came with furniture to build and such, I'm not a mechanic but work with computers go figure.
My feickert protractor is still new in the box I haven't had a chance to use it yet.

I just realized I have issues


I modified my MFSL Geo-Disc after seeing a Feikert.  I added a straight edge ruler for better alignment to the pivot point of the arm.  I always hated the guess-a-mation when lining up the arm pivot point with the G-Disc.