These Tsukineko"s brush tips fit all Memento dual-ended fade-resistant markers. Simply pull out the old tip and insert the new one. Once inserted, a new tip should be fully inked within 15 minutes. The Memento family includes full-size inkpads, Dew Drop inkpads, markers, and Inkers- all in the same 24 contemporary colors. for Coloring, Doodling, Drawing, Stamping and Scrapbooking