if you are talking about the thin shells over the lug nuts, they are factory pressed on and not intended to be removed, BUT, they do get loose especially if an impact wrench is used on them a few times, ... when they do come loose they will spin on the nut and it will be almost impossible to remove that nut without some special effort or special tool, ... a terrible thing to discover on the side of the road with a flat tire, ... it is advised to replace all lug nuts with that shell, with solid nuts, not too expensive and well worth the cost to avoid the roadside incident, ...
__________________
|