eBay listing says they're 7.5J but I would agree that certainly the 110 wheels will be narrower than that. Probably the rostyle too.
It's not necessarily the width that's the gayness though, it's the offset, of which these have lots, so they're very tucked into the arch. They're narrow on a defender, nevermimd a wider bodied disco.
You can buy a set of 8 spokes for around 50 quid, or do you need 16s?