Answer:
I am the beginning of the end and the end of time and space. I am essential to creation and I surround every place.
It's in your hand though you can not feel it. Only you and time can reveal it.
My days are numbered. What am I?
I produce wool and spit a lot
What is easy to spot but hard to find?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.