Mount for 1893 bulb in 5/8" hole

Decided against the LEDs on my old Ford tractor warning lamps. Nowhere to mount the circuit board. Instead I'm going to just solder a couple wires to some 1893 long life bulbs and glue them in these holders. May not need to glue them if they fit snugly enough, we'll see. They'll only pull out from the front, further into the gauge cluster so there shouldn't be any risk of losing the bulb down where it can't be seen either way.

Also includes a little fixture to hold the bulb for soldering the