Found at my house after a 4th of July party. The black part is plastic with a detachable metal cap. What is it ?

Found at my house after a 4th of July party. The black part is plastic with a detachable metal cap. What is it ?
Answer: It is the bottom of a handle for (likely) a metal utensil of some sort. I have a set with a spatula, ladle, spoon, ice cream scoop, and pizza cutter that have ALL started to have their bases fall out over time.