This uni-ball ub200 rollerball pen refill is perfect for keeping your pen going. It's easy to insert the refill into your uni-ball vision elite pen and keep writing. You can use this refill in your uni-ball blue elite fine rollerball pen. The smooth flowing liquid ink delivers a pleasant writing experience. This refill has a 0.8 Mm nib. The ink is plane safe so you don't have to worry about leakage on flights.
