Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune combines stylish vintage open-gear design with ultra-precise tuning behavior and velvet-smooth performance. Built without synthetic polymer coatings, its finely tuned contact surfaces provide friction-free operation and maximum acoustic resonance transfer across your instrument.
Featuring an 18:1 gear ratio, this single tuning machine ensures pinpoint accuracy and reliable tuning stability. Permanently locked, sealed screw joints ensure wear-free and maintenance-free longevity, engineered to match standard instrument dimensions for straightforward installation and direct replacement.
Equipped with countersunk mounting screw holes for firm positioning and flawless sound transmission, each machine includes matching countersunk mounting screws and an 8.8 mm hexagonal press-in bushing for solid headstocks.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| 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) |
| Estimated Shipping Weight | 0.11 lb |
