9 Jun
2015
9 Jun
'15
11:01 p.m.
On Jun 9, 2015, at 22:57 , Chuck Guzis <cclist at
sydex.com> wrote:
The 3M ones that I've seen are hard white plastic (not PVC or whatever Wright Line
used) with a keyhole-sort of affair that allows the circle to expand.
Interesting. I don't think I've encountered that style before, or if I did, that
memory has snuck away in the night.
--
Mark J. Blair, NF6X <nf6x at nf6x.net>
http://www.nf6x.net/