Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single combines refined vintage styling with precise tuning response and smooth operation. Designed with open-gear architecture and high-precision contact surfaces without synthetic polymer coatings, it delivers resonance and lasting performance without wear.
Featuring an 18:1 gear ratio, this single tuning machine ensures exact, velvet-smooth tuning and exceptional tuning stability. Permanently locked, sealed, and recessed fittings provide maintenance-free durability designed to match standard serial instrument dimensions for effortless replacement.
Equipped with countersunk screw holes for solid mounting and direct tone transfer, each tuner includes hexagonal press-in bushings for solid headstock installations and precision mounting screws.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.1 lb |
| Mounting Screws Included | 2 x Countersunk Mounting Screws (M2.2 x 11) |
| Bushing Included | 1 x Hexagonal Press-in Bushing (0.35 in OD, 0.24 in ID) |
| Button Dimensions (Butterbean) | 0.8 x 0.5 x 0.4 in |
| Button Dimensions (Standard) | 0.7 x 0.5 x 0.2 in |
