Features
The 309 "Professional" model tuners are the latest
in technology manufactured with the traditional
Grover� quality and craftsmanship. They feature
an adjustable worm gear that provides a smooth,
presise turning action while keeping the gear and
worm centerlines in alignment.
Removable buttons and an 18:1 gear ratio for smooth,
accurate tuning.
When mounted with the string post above the shaft,
this model turns in a clockwise direction. Turning is
reversed when mounted with the string post below
the shaft.
Available in Gold or Nickel finish.
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