I used to have one like it, but only about a foot long. It was pointed on
one end, and straight on the other, like yours. But on the straight end,
the vertical part of the rail had been trimmed out. Very useful.
Steve
Here is my version.
http://www.metalworking.com/dropbox/Anvil_RRTrack.JPG
http://www.metalworking.com/dropbox/Anvil_RRTrack.TXT
Lane