Schaller GrandTune GT-Single Guitar Tuning Machine
The Schaller GrandTune combines classic vintage open-gear aesthetics with precise tuning performance. Built with an exact 1:18 gear ratio, this single tuner provides smooth, accurate response and long-lasting tuning stability without synthetic polymer coatings, allowing for natural instrument resonance.
Crafted with ultra-precise contact surfaces and permanently locked, sealed screw joints, the mechanism ensures wear-free and maintenance-free operation. Its dimensions adhere to standard guitar headstock measurements for seamless installation and replacement.
Featuring countersunk mounting screw holes for firm coupling and optimal sound transmission, this tuning machine comes equipped with mounting screws and a hexagonal press-in bushing for solid headstocks.
| Brand | Schaller |
| Model | GrandTune Einzelmechanik (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight per Single Tuner | 0.6 oz (Koa), 0.7 oz (Perloid), 0.7 oz (Galalith, Ebony), 0.7 oz (Snakewood), 0.9 oz (Butterbean) including bushing |
| 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 |
| Bushing Outer Diameter | 0.35 in |
| Bushing Inner Diameter | 0.24 in |
| Product Weight | 0.11 lb |



















