Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines refined vintage aesthetics with precise tuning performance and velvety smooth action. Engineered as an open-gear tuner with a precision worm screw mechanism, it brings timeless style and dependable mechanics together.
Featuring a 1:18 gear ratio, the tuning machine provides ultra-precise tuning stability and exceptional durability. The design eliminates synthetic polymer coatings on friction surfaces to ensure maximum natural instrument resonance and wear-free operation.
Designed with permanently locked and sealed screw connections, the GrandTune offers maintenance-free longevity. Standard dimensions ensure seamless installation and direct replacement on standard headstocks.
| Brand | Schaller |
| Model | GrandTune (GT-Single) |
| Type | Single Tuning Machine |
| Gear Ratio | 1:18 |
| Design | Open Gear |
| Weight per Single Tuner | 0.04 lb (Koa), 0.04 lb (Perloid), 0.04 lb (Galalith, Ebony), 0.05 lb (Snakewood), 0.06 lb (Butterbean) including bushing |
| Button Dimensions (W x H x D) | 0.8 x 0.5 x 0.4 in. (Butterbean), 0.7 x 0.5 x 0.2 in. (other buttons) |
| Weight | 0.11 lb |





















