Set of 6 Black refills Don't despair when your fantastic FriXion Ball or Frixion Clicker pen runs out, simply refill it with the FRIXION REFILLS and carry on writing! A set of 6 refills suitable for FriXion Ball, FriXion Clicker 0.7 pens : choose your favourite ink colours among all the colors available!… Perfect for getting back to school. With this refill pack you can continue writing for as long as your ideas keep flowing... Refills will help you save money over buying new pens, and are also fabulously eco-friendly.