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Which Allen key for Graham Phantom II Supreme?

I own a Graham Phantom II Supreme tonearm and need to lower the arm lift just a little bit. To do so I need a small (probably) Allen (hex) key to unlock the tiny bolt which holds the arm lift in place.
However can't figure out what key I need. If it's an Allen key it's certainly not a metric size (tried them all). If it's an American size, which size does fit?
bril12

Showing 1 response by moonglum

moonglum
619 posts
 
Beat me to it Peter. Yes it is 50 thou.

Bob supplies a full set of these things in individually labelled re-sealable bags. This one is labelled "Cueing Device - Adjustable Height Wrench"

The 50 thou is quite small and not easy to find locally. They're also dead easy to lose which is why I've got 4 of them(!)
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