Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines stylish vintage aesthetics with precise tuning performance and ultra-smooth operation. Designed as an open-gear tuner with worm gearing, it offers classic styling paired with modern engineering.
Featuring an 1:18 gear ratio, this tuning machine delivers high tuning precision and durability. The complete absence of synthetic polymer coatings ensures optimal resonance transfer and wear-free interaction across your instrument.
Equipped with permanently locked and sealed screw connections for maintenance-free reliability, it fits standard production instrument dimensions and includes countersunk screw holes for solid mounting and resonance.
| Model | GrandTune Single (GT-Single) |
| Gear Ratio | 1:18 |
| Product Weight | 0.11 lb |
| Weight per Single Tuner | 0.63 oz (Koa), 0.67 oz (Perloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) |
| Button Dimensions (W x H x D) | 0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
| Mounting Type | Open Gear Screw Mount |
| Brand | Schaller |



















