Quoted from luvthatapex2:These will work with the pd-led2 board and they have a header so its easier to install (no soldering). These are new on pinballlife.
Those are what are used on Total Nuclear Annihiliation, so if you've seen one, or even video of it, that will give you some reference. They work well as GI bulbs, plenty bright, not nasty to look at if exposed though.