Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single Guitar Tuning Machine offers an ultimate combination of vintage aesthetic design, precise tuning accuracy, and velvet-smooth performance. Built with a classic open-gear configuration, it delivers unmatched tuning stability and acoustic resonance without synthetic coatings.
Featuring an ultra-precise 1:18 gear ratio, this tuning machine provides smooth, wear-free interaction and long-lasting durability. The permanently locked and sealed screw joints ensure zero maintenance, while countersunk screw holes provide solid anchoring and optimal sound transmission.
Designed to fit standard production instruments, it installs easily on compatible headstocks for direct replacement or custom builds. The high-precision fit and non-coated contact surfaces create optimal stick-slip properties, delivering lasting reliability for your finest instruments.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.11 lb |
| Button Dimensions | 0.8 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |





















