The Aloris block units - have a thread cutter that is a disk like cutter.
Martin

Ned Simmons wrote:
On Sun, 31 Jan 2010 22:56:47 -0600, Ignoramus14657
wrote:

In the pile of tooling that came with the lathe,, there was this
mystery piece:

http://igor.chudov.com/tmp/Mystery-Tooling-01/

I am stumped as to what its purpose, but cannot help notice that it
fits on the bed and can clamp it. Last picture shows how it can do
it.

A variation on this style of threading tool?
http://chestofbooks.com/home-improve...ol-Holders.jpg