The kind of a business card that would be used by someone working for an organization will look quite different from one that would be utilized by a business owner. There is a pretty good chance that the latter group would need to conform to a very specific branding guideline that their employers have come up with, but that is not something that business owners ever need to worry about since they are the ones that will be establishing guidelines based on what they think is right.
The thing about Metal Kards is that they can be vital if you want everyone to know your status as the owner and operator of your very own business. This is because of the fact that spreading awareness about who you are can be really useful if you want to see record profits for your business, and there is a lot that can be gained from cards of this type as far as that is concerned. The truth of the situation is that you should add the word owner on your business cards since this would quickly tell people that you are the man, or perhaps woman, who is in charge.
This tiny detail might seem insignificant, but the fact of the matter is that it can make the difference between someone taking you seriously and not feeling the need to do so. You have worked really hard to get to where you are, and you need to be given the right kind of respect based on all of that effort. Mentioning your ownership is basically just recognizing your designation which is important for any kind of business card out there.