• Schaller-patented vintage-style bass tuner.
  • State of the art, highest precision, counterfort-mount.
  • All parts are precision-crafted and surface-finished, the self-locking drive ensures an even, delicate and steady tuning.
  • All string posts are made of high-grade brass and fitted into the housing with utmost precision, ensuring the best possible tuning accuracy and wear resistance.


  • Model: 4-In-Line
  • Surface: Chrome
  • Buttons: BM
  • Ratio: 1 : 20