Easy Flow 9000 ballpoint refills fit Retro 1951 Tornado rollerball pens. The Easy Flow ballpoint ink is well known to be a smooth-writing ballpoint the effortlessly glides across paper and evenly applies ink on the page.
Retro 51 - Tornado Ballpoint Refills - Easy-Flow 9000 - Blue Features:
Tornado Snappers use ONLY this refill
Tornado Big shots & Twist-top Rollerballs use this to convert to a ballpoint