Replacement knobs for your Waverly or Schaller mandolin tuners. Polished ebony or ivoroid. 9/16"-diameter.
Knobs for Schaller attach with super glue to the mandolin tuner's 4.3mm round shaft.
Knobs for Waverly mandolin tuners attach with screws (not included) to a 2.9mm square shaft.
CALIFORNIA PROPOSITION 65 WARNING