Schaller GrandTune Guitar Tuning Machine

The Schaller GrandTune represents the ultimate fusion of refined vintage design, precision tuning, and velvety-smooth operation. Designed as an open-gear tuner with a worm drive, it delivers classic aesthetics without compromising modern reliability.
Featuring an ultra-precise 1:18 gear ratio, this tuning machine offers exceptional accuracy and long-term durability. By omitting synthetic coatings and utilizing permanently locked, sealed screw joints, it ensures maintenance-free performance, wear-free engagement, and optimal acoustic resonance with your instrument.
Built to standard instrument dimensions for effortless installation and replacement, each tuner includes countersunk screw holes and high-grade mounting hardware for superior hold and direct sound transmission.
Brand
Schaller
Model
GrandTune (GT-Single)
SKU
10511070.42.30
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Weight
0.11 lb
Headstock Compatibility
Solid / Slotted Headstock
Bushing Outer Diameter
0.35 in
Bushing Inner Diameter
0.24 in
Post Diameter Compatibility
0.24 in
Mounting Screws Included
2 x Countersunk (M2.2 x 0.43 in)