What part is this and what does it go to?

Trivia Quiz- Paul, you can't answer.
Vr
Scott

Carb float needle and seat. Is that all you got.

looks like Dellorto

Still no correct full answer. What type of carb and for what Porsche

PMO for 911

Weber carb

Thanks. I'm glad these fit webers. Someone else mentioned they are for solex carbs.
They came in a bundle purchase.