Can someone identify this part?

[cruiser333]

I have a 1981 CB900C that I'm in the progress of rebuilding the carbs. When I was finished ultrasonic cleaning the #2 carb I found theses two little pieces in the bottom of the cleaner. Can anyone tell me where they came from. Thanks

[that_impulse_guy]

https://i.ebayimg.com/images/g/vY4AAOSwqNVhr7~r/s-l1600.jpg

#2 carb seems different.

Without finding this image , and just looking at your image, it reminds me of a one-way valve sometimes used to operate the choke enrichment circuit....so it sits inside the bottom of the flow bowl next to the sticky uppy pipe.

Going by the link Ive put in, it seems possible. Can you check the float bowl and compare to see if theres a bit missing?
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[cruiser333]

Thanks, I will take a look and see if it goes in the #2 float bowl somewhere. I wonder if the ultrasonic cleaner vibrated it out because those two parts weren't loose when I put the float bowl in the cleaner.