A Hornby 00 gauge spare part. A plastic Worm for a Thomas the Tank engine chassis fitted with a motor with a 1.5mm dia shaft. This is a unused part.
Hornby S9574 Plastic Worm Gear For 0-4-0 Loco Motors
HORNBY X03 PLASTIC WORM MOTOR REPLACMENT UPGRADE KIT MULTI CLASS TRAIN LOCO
1020D Coreless motor 12V M0.3 plastic worm and flywheel