F1-CAR-WHEEL for Keychain

It's a spare part for a Formula 1 car Keychain.
4.5MM shaft diameter
13.75MM wheel diameter.
6.7MM width

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3dhubs
https://www.3dhubs.com/karlsruhe/hubs/prusa-i3-200x200x200

Myminifactory
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I'm from Stutensee (Karlsruhe, Germany)