In this hand, a player holds four cards of the same rank across the different suits (clubs, diamonds, hearts, spades), with the fifth card being any other. It is one of the strongest hands in poker, beaten only by a straight flush and a royal flush. A Four of a Kind is very difficult to obtain and signifies a very powerful position in most poker games.
Four of a Kind Example
For example, if a player holds four kings and a 7, they have Four of a Kind, consisting of the four kings and one unrelated card.