• 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.
  • 11/16” (14mm) holes are required to install properly.
  • Model: Open-3 left + 3 right, Surface: Nickel, Buttons: BM, Ratio: 1: 20