Replacement switch for MMB speedos WW## 19-003, 19-014, 19-015, 19-016 (NLA)

Once a replacement part for the earliest MMB mechanical speedometers, this tiny little bulb socket can be used for virtually any purpose where space is scarce and some light is needed. whoever does not like LEDs — out of wichever reason — can e.g. use these sockets to customize an indicator light bar.