There are various sizes of lug nuts and styles. There is also an Alcoa wheel lug nut cover for sale in aluminum.
There are clearance lug nuts that will sell until they are gone. This will not be restocked.
There are also our caution deals that indicate the size of wheel stud that is used for the specific trailer. This decal states that all lug nuts must be tightened to a certain torque before use of the trailer.