Pertinax sources??

[Bernardduur]

Hello all!

I am searching for some pertinax (those little holders in amps, also used in the Rangemaster); someone knows where I can get those??

[Paul Perry (Frostwave)]

I think 'pertinax' is a trade name; got this from wiki: Pertinax - Dielektra brand (now defunct and taken over by Lamitec
If you can post or point to a picture of the object of your desire maybe someone can recognise an equivalent by somebody else.