On 05 Feb 2018, geoff wrote in
rec.audio.pro:
Duuno if the same principle, this this:
https://uk.rs-online.com/web/p/pcb-c...ushes/0514868/
The individual strands are extremely thin/fine.
It looks like the one I referred to is a specialized one for fiber
optic connectors. For general electrical contact cleaning the simple
pencil style would probably be as good or better, and for 1/4 the
price.
It looks similar to a mechanical pencil - when the tip wears down, you
push more of the cartridge out. Eventually it's used up and you replace
the cartridge. Right?