New or new old stock Marchal fitting bulbs
21mm cap with three pins
BA21s (single contact single filament) and BA21d (double contact twin filament)
Clear and yellow options available.
6 Volt Marchal BA21 Light Bulbs
6 volt Marchal fitting lifght bulbs
BA21 cap with three pis
21mm diameter cap
All products are new or new old stock and tested prior to dispatch.