Unknown parts

Does anyone know what these are called and for what they are used?

It looks like the spacer on the extruder spring (the green circle in the picture) but why 2 and this can’t disengage by itself. They may have fallen from one of the bag of the X1C/AMS screw kit if you have purchased one of those as it’s part of the kit. This particular part is called pressing plate in bambu documentation..

https://eu.store.bambulab.com/products/screws-kit-x1-series-p1-series-and-ams

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Thanks much. Appreciate the quick response.