That little diamond is actually a square for the flats on a carriage bolt.

Mike

Rob Rubin wrote:
> I have an 83 westy and ordered new end caps for the front bumper. The old
> caps were solid on the front, these have a little diamond cutout possibly
> for some sort of mounting hard wear...but what exactly and where do I get
> some? I am too anal to let this remain empty!!!
>
> Thanks
>