Hi,
Some one on here was looking for the shroud covers for the TRE's a couple of days ago.
their back on ebay now
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ih=019&sspagename=STRK%3AMEWN%3AIT&viewitem=&item=290108367940&rd=1&rd=1
NTDWM
[Edited on 25/4/07 by nib1980]
The cheapest place will to get these will be your local electrical wholesaler, look in Yellow Pages.
They are used as covers for the termination of armoured cable into junction boxes.
Mal