How To Clean Vacuum Tube Pins
BG285 - Quick Ask Mark video on how to clean radio vacuum tube pins.
Can't guarantee the quality of these as I haven't bought these specific ones but they seem to look just like what I am using. When first starting, you will loose a few bristles but after a short use, they stop coming out, or at least mine did. Remember to wear eye protection!!!
https://www.amazon.com/Dremel-536-02-...