What exactly is the endpin collar?

[bassistpatrick]

I want to take measurements for a marvin wire tailpiece Im gonna order, but I just want to make sure first.
Would I be right in thinking it's the part that the tailpiece wire wraps around?

[drurb]

Originally Posted by bassistpatrick

I want to take measurements for a marvin wire tailpiece Im gonna order, but I just want to make sure first.
Would I be right in thinking it's the part that the tailpiece wire wraps around?

Yes.