"Six of one and half a dozen other" is a common phrase used to describe a situation where there is no real difference between two options or choices. There are several synonyms for this phrase, including "six and half a dozen," "two sides of the same coin," "a distinction without a difference," "same difference," and "potayto, potahto." These idioms all convey the idea that the choices being presented are essentially the same, and that choosing between them makes no significant difference. So the next time you come across a situation where you're faced with two options that are indistinguishable, try using one of these phrases to describe it.