Description
The Grover Professional mandolin Vintage F Style 409 series black button tuning machines offer precision tuning for your mandolin. With an 18:1 gear ratio and adjustable open gears in modern “worm over” configurations, these vintage-style tuners provide smooth, accurate tuning for any mandolinist. The die-cast mounting plate and bell-top button screws give these tuners a classic look while sturdy construction ensures reliability gig after gig.
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