Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single Guitar Tuning Machine combines vintage open-gear aesthetics with precise tuning performance and ultra-smooth operation. Designed without synthetic polymer coatings, its ultra-precise fittings deliver natural stick-slip performance and optimal acoustic resonance with your instrument.
Featuring an 18:1 gear ratio, this machine head provides pinpoint tuning accuracy and long-lasting stability. Permanently locked, sealed, and countersunk screw fittings ensure maintenance-free, wear-resistant performance while preserving structural rigidity and sound transmission.
Built to standard instrument dimensions for straightforward installation and replacement, each single tuning peg includes recessed mounting screws and a hexagonal press-in bushing for solid headstock configurations.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 18:1 |
| 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 (all other buttons) |
| Mounting Type | Open Gear Screw-Mount |
| Included Hardware | 2 mounting screws (M2.2 x 11), 1 hexagonal press-in bushing (solid headstock) |
