Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single delivers the ultimate combination of vintage design, precise tuning, and smooth performance. Featuring an open-gear architecture with a precision worm screw, it offers an 18:1 gear ratio that provides exact control, exceptional stability, and extended longevity.
Constructed without synthetic polymer coatings, this tuning machine enables pure acoustic resonance throughout your instrument. Ultra-precise contact surfaces ensure optimal stick-slip action without wear or aging over time.
Permanently locked and sealed joints guarantee zero-maintenance operation. Designed around standard factory instrument dimensions, it fits seamlessly with solid headstock mounting configurations.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Design
Open Gear
Weight per Unit
0.67 oz (Perloid), 0.63 oz (Koa), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean)
Button Dimensions
0.8 x 0.5 x 0.4 in (Butterbean), 0.7 x 0.5 x 0.2 in (Standard)
Included Bushing Outer Diameter
0.35 in
Product Weight
0.11 lb