Remix to use 1.58mm or 0.064" welding rod

Love atsnailpace's compact opto servo probe. I was working on my own idea of this but his is far better done then mine. I have a whole fist full of oxy/acetylene non fluxed welding rod and sized both the flag and the base to use this rod. Rod specs out at 1.58 or 0.064" which ever works for you.The rod is super cheap and can be gotten from pretty much any welding, farm, hardware store that sells oxy/acetylene kits. To install the rod all I had to do was put the flag into the base and then push t