Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single combines refined vintage styling with modern precision and smooth performance. Designed as an open-gear tuner with an exposed worm gear, it delivers exceptional resonance and tuning stability for fine acoustic and classic guitars.
A precise 1:18 gear ratio ensures accurate and effortless tuning. Built without synthetic polymer coatings, the ultra-precise contact surfaces provide optimal stick-slip properties that remain wear-resistant over years of use.
Featuring permanently locked and sealed screw joints, this tuning machine offers zero-maintenance reliability. Countersunk screw holes ensure secure mounting and optimal acoustic resonance transfer directly into the headstock.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Design
Open Gear
Weight
0.11 lb
Included Bushing Outer Diameter
0.35 in
Included Bushing Inner Diameter
0.24 in
Button Dimensions (Butterbean)
0.8 x 0.54 x 0.41 in
Button Dimensions (Standard)
0.69 x 0.54 x 0.24 in