In article ,
Lobster writes:
On 19/03/2013 15:29, Georg von Krapp wrote:
"Jim K" wrote in message
...
Like a thin washer with serrated inner diameter that you push over a shaft
to retain something on it. From memory they are dished slightly on one
face (the side that goes on first) so that the serrated bits bite into the
shaft material.

Starlock ?

Yes that's the monkey

Part of the large family known collectively as ping****its,
of small things capable of converting their stored potential
energy into kinetic energy in the blink of an eye, or sometimes
if you're unlucky, without the blink of the eye...

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]