Petrucci trem: mysterious set screw?

Petrucci trem: mysterious set screw?

Hi, all.

I’m in the process of installing a Tremol-No with an adaptor plate that Kevan Geier has devised to allow it to clamp more securely to the angled bottom end of the Music Man trem block. It makes use of the threaded hole in the bottom of the block, beneath the arm socket. to secure the plate to the bottom of the block.

On Kevan’s JP6, this hole is empty. On mine, it is not. There appears to be a set screw in mine (see attached pic) which i cannot get out. I’ve tried my metric and…

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