Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single guitar tuning machine delivers the ultimate combination of stylish vintage aesthetics, precise tuning behavior, and velvet-smooth performance. Built with an open gear and worm screw design, it offers a perfected classical tuning experience without synthetic coatings to maintain natural instrument resonance.
A precise 1:18 gear ratio ensures unmatched tuning accuracy and long-term durability. Engineered with ultra-precise contact surfaces and permanently locked, sealed screw joints, the mechanism guarantees wear-free, maintenance-free operation across years of playing.
Designed to standard instrument dimensions for effortless installation and replacement, each tuner includes countersunk screw holes and high-grade mounting hardware for solid resonance transmission and tuning stability.
Brand
Schaller
Model
GrandTune Einzelmechanik (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Weight
0.11 lb
Button Dimensions (Butterbean)
0.80 x 0.54 x 0.41 in
Button Dimensions (Standard)
0.69 x 0.54 x 0.24 in
Mounting Screws Included
2 x Countersunk screws (M2.2 x 11)
Bushing Included
1 x Hexagonal press-in bushing (OD 0.35 in, ID 0.24 in)