E1 rubber roll insulators

[brian_ronn]

Hi Emu users

I'm searching for the rubber roll insulators which are sitting under each key on the Emulator 1.

Due to the age of the E1 some of these rubber rolls have crumbled away.

Without these rubber rolls the pressed keys are hitting the metal keybed which sounds and feels awful.
The non pressed keys without the rubber rolls are also elevated which make an uneven keyboard.

Do you know where to buy these rubber ones?

Note: The picture upload folder of this site is full so I was unable to upload an example picture accompanying this subject.

Best regards Brian