https://www.candlepowerforums.com/vb/showthread.php?399475-B-rt-s-Tritium-thread
This guy’s in Holland and has been selling tritium vials for years.
I’ll be going with him once the JetBeam JET II Pro (purple) comes in tomorrow and I can measure things. I’m thinking 1.5mm by 6mm, but he has 1.5mm by 5mm, so we’ll see.
Chris