I concede!
They are two entirely different things, and although they are both brass, both the same size, and both have one hole, the one here is a whiffle tree! and the slightly shorter plain end ones are carriage ends.
I am humbled and enlightened! Every day I learn. Nice i.d. BosnMate!
P.S. Ha Ha Ha! I just found this....http://www.treasurenet.com/forums/what/17425-brass.html oh man...