This pack of 6 refills is for use with the STABILO S Move range. These refills write in document safe black ink & have a medium tip of 0.5mm. They dont blot or scratch & refilling the STABILO S is an extremely easy & mess-free process. Your pen will have a brand new tip each time you refill with these STABILO S Move refills significantly prolonging its life & ensuring high-quality performance. * Box of 3 refills for the STABILO EASYoriginal rollerball pen * Every refill has a new tip: extremely easy to refill with no mess * Medium line width 0.5mm * Refill for EASYoriginal