BICYCLE BIKE CYCLE FRONT DYNAMO HEAD REPLACEMENT BULB TRADITIONAL
2X 6V 2.4W (0.4A) EP10 Screw base front replacement bulbs
2X 6V 0.6W (0.1A) E10 Screw base REAR replacement bulbs
That is 4 replacement 6V bicycle dynamo light bulbs.
For use with 6V dynamo.
These have the standard front and rear screw base E10 & EP10 ≃ 9mm +