GOTOH Mandolin Tuner Replacement Knobs for Old Models - Set of 2

GOTOH Mandolin Tuner Replacement Knobs, for older models, plastic, pearl-like finish, set of 2.
These were removed from broken tuners a long time ago as spares, as the knobs on tuners tend to develop cracks over time. Diameter approx. 13.5 mm, thickness approx. 7 mm. As they are old, there are some scuffs, dirt, and scratches. As shown in the photos, the plastic injection port from the molding process appears as a scratch. Also, the buttons may have lines along the pearl pattern (not cracks).
These cannot be used on current GOTOH tuners as the knob hole shape has changed. These are for older models only. You can identify older models by the square hole for the shaft insertion (3mm square), as shown in the photo. (Current models have a shape like a running track.)
The photos towards the end show ones for flat mandolins, F-type and A-type. They can be used if the button is secured with a screw on the edge, as shown.
The price is for two knobs. If you need more than two, please contact us in advance (we will reduce the shipping cost). We also have the small screws (last photo) to secure the buttons, so please inquire about those as well.
Please understand that these are items that have been stored in a home for a long time before purchasing. Shipping and handling fees will exceed 300 yen, but we will cover them.