[ciabatta]

Are these terms interchangeable?

If not, then can you differentiate them please.

I have a 2006 Elise with the staggered wheels so which would of these terms apply to what my car uses?

long story short .. I lost my wheel lock key and need to remove that nasty little thing ... but I want to replace them with ones that do not need a key

thanks in advance for all the advice !!!! <3