Blue tape retainers

[Mark J. Blair]

> 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/