Hello!

I'm working on restoring an heirloom zither; it's about 140 years old, and the tuning pegs for the accompaniment strings are all rectangular, about 5mm by 3mm. I am having absolutely no luck finding a tuning wrench that's anything other than square. Does anyone happen to have recommendations?

Thank you,

Rory

Please refer to the posts on rectangular keys below in this section. The one remaining rectangular key I have is 7x5 mm. Regrets. You may have to manufacture one yourself.

rudi