what make are these?

[CMF_squarepants]

what make are these wheel nuts?

i carnt find them anywhere...ive been looking for the name of them! can anyone help?

if you look at the nuts carefully they have a c, u or an n ingraved into them :s

 

[CMF_nz_aj]

They look like they're either security or light weight.
If lightweight, a 12 point socket should fit & take them off.