Description
The Grover Professional Mandolin F Style (409 Series) black button tuning machines provide precision tuning for your mandolin. With an 18:1 gear ratio, you´ll achieve accurate tuning with minimal effort. The open gears are arranged in a staggered "worm over" configuration, maintaining correct alignment for smooth operation. A die-cast plate and bell-top button screws give these tuners a vintage aesthetic while providing modern performance. Designed for mandolins with a 25/64" post hole, these tuners drop in as a replacement for many stock tuners. Keeping your mandolin in tune is essential and with the Professional Mandolin F Style (409 Series) black button tuning machines you´ll stay in tune through an entire performance.

1. Your order is usually shipped out within 24-48 hours after your payment is received.
2. The tracking number of your parcel will be sent to you after your order is despatched. You may use the tracking number to check the status of your order online.
3. The shipping fee will be auto-added in the grand total when you send payment.