These are genuine Hornby parts, they are brand new and factory sealed. As found on service sheet 345, 10.5mm for Javelin train R2821, designed for the dummy bogies on the train and dummy power car, will not fit the coaches.

Please check out my other listings for more Hornby items. 

I dispatch on the same or next working day depending on what time you pay. 

Sorry no collect in person, all items are post only even if you're local.