I'm sure it's dodgy but confused as to what is happening.
Item shows as in Germany (and they want you to BIN off eBay).
https://www.ebay.co.uk/itm/115035479259?hash=item1ac8a61cdb:g:Tz8AAOSwwjlhYCLD
Looking up the seller it shows they are UK based in Bath, Somerset and have only ever sold bits...