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Grover® Black Tuning Machine Buttons- Set of 8 as pictured. Actual photo of the buttons.

Grover black replacement tuning machine buttons as used on the 309 series.

Please Note: Grover tuning machines produced prior 1985 use different specifications for threading and shaft sizing. Current production replacement parts are not interchangeable on vintage (pre-1985) Grover tuning machines.

[SKU: 3080B]

Height of button from bottom of shaft opening to top = 14.64mm / .5765 in.
Width of button = 15.19mm / .5980 in.
Shaft opening diameter = 3.66 / .1440 in.