“My friends grandparents passed and he grabbed these but has no idea what that are”

They go with the matching cracking tools for seafood. Lobster, crab, etc. You Crack the shells and use the picks to get the meat out of the small areas.
After you crack a nut open. Use those to get the meat out. I remember them from my childhood.

1) Wood Nut Bowl, Nut Cracker
2) Vintage HMQ Nutcracker set- 1 cracker, They often make a handy little tool for so many things too!
3) This HMQ vintage metal nutcracker comes with two nutpicks. perfect for all types nuts. Find it here