Mix&Match Uni Jetstream Multi Refill Set of 4, 0.38mm, 0.5mm, 0.7mm
・ Jetstream Multi-color Multi-function, Jetstream Stylus various models. Uni Jetstream Ballpen Multi Refill Set of 4. ◎ : Has compatibility (The refill is mounted on the pen). Mix & Match! Ink Color: Black, Red, Blue, Green.