944Phil

I didn't want to spend $50 on the balance cog spanner and i didn't like the idea of stuffing punches into the holes either so i built this high tech DIY spanner.

0.75" MDF (1" thick would be better, or russian plywood)
lag bolt with ~0.22" thick shaft
7/8" hole saw or forstner bit
~5 minutes

i think the rest is self explanatroy

944Phil

needed to clean up my images before posting more pics.

Van

Necessity is the mother of invention!

Good job.

reno808

haha nice