Answer:
This item is used in most sports, has 4 holes, comes in a variety of colors, and there is a state that shares its name. What is it
Halo of water, tongue of wood. Skin of stone, long I've stood. My fingers short reach to the sky. Inside my heart men live and die.
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
A nut cracker up in a tree.
This is needed both for courage and hardcover books.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.