Pilot FriXion Synergy Clicker delivers precision writing without fear of mistakes. This retractable, Erasable Gel ink pen pairs a unique, 0.5mm Synergy tip with FriXion's thermo-sensitive ink formula to deliver smooth, precision writing and truly clean erasing. Write, erase and rewrite repeatedly and precisely with the first and only STEM pen! This package contains 6 0.5mm gel pens with black ink and 6 refills. Imported.