[pianotech] New Octave Global Tuning Pins Question

[Francisco Motta, Afinador de Pianos]

In the "New Octave Global" tuning pin, the slot (screw) of the tuning pin is
nickel or oxidized? (The Brazilian manufacturer is applying the nickel in a
final stage so that the tuning pin is less efficient.)

Very Thanks for any replay.

Motta
>From Brazil.





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