Featuring Uniball’s low-viscosity Jetstream ink that’s quick-drying and smear-resistant, these refills fit any Jetstream Multi Pen that’s designed to accept the SXR-80 size, including the Jetstream 4&1 and 3&1 Multi Pens. Available in .5mm sizes and black, red, blue, and green ink.

Sold individually. Made in Japan.