Korg m500 slider caps

Hi i need two slider caps for my korg m500.
Do you have two caps which are shown below?
they are also used in minikog 700, 800dv, 900ps, 770, minipops7…

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Hey I have just found my Korg M500 I need two of the slider knobs did you have any luck ?

They’re quite rare aren’t they?
I can only think you replace with something similar or get one 3D printed if you have a friend with one.