Not for accessories! Those are less than that new and you can have a set at your door in only a few days in most colours. Either a chancer or someone who doesn't know how much they cost.
Locking skewer I spotted very recently will try and find again. Those hexlock ones aren't quite right.
Is there some issue with Bullitt supply and demand?
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F254087963683