collapse expand iconDescription

The Grover professional mandolin vintage A style 409 series tuning machines provide precision tuning for your mandolin. With an 18:1 gear ratio, you can achieve accurate intonation and stable tuning. The open gears in a vintage "worm under" configuration and die-cast plate give an authentic retro look, while the bell-top button screws complete the vintage aesthetics. The 25/64" post hole and overall post length of 30.3 mm ensure a secure fit on most mandolins. Whether you play bluegrass, folk or other genres, the Grover 409 series tuning machines keep your mandolin sounding its best.

GROVER Professional Mandolin Vintage A Style 409 Series White Button Tuning Machines Nickel
GROVER Professional Mandolin Vintage A Style 409 Series White Button Tuning Machines Nickel

collapse expand iconFeatures

  • Vintage worm gear design with 18:1 gear ratio
  • Die-cast plate for durability and precise tuning
  • Bell-top button screws and open gears for retro styling
  • Max string gauge .074"

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