Hopefully the link to m.net works.
http://forum.miata.net/vb/showthread.php?t=563379
Knob is from my 95M. Not to bad after 90k miles but it has seen better days. Now, it can look forward to better days. :-)
Edit: Doh! Wrong place. Mods, feel free to move it to mista tech and chatter.
B.