The "5" is also found on the human body: the five fingers of the hand and feet, the five senses (touch, taste, sense of smell, hearing and the sight), the five members (two arms, two legs and the head, the bust being the center, etc.
There is different script of "5" in that series. You can wear them individually, or mixing all the scripts together is simply stunning.

22 K Gold Vermeil Chain and Charm