6 packs of refills with two refills in each pack. Uniball Jetstream Refill 74396PP, Black Ink, 1.0 mm Bold Point. Uni-ball Jetstream 1.0mm refills write amazingly smooth like a gel, but dry quickly like a ballpoint with no smearing. Ideal for left handers. Features UNI Super Ink which protects against water, fading and fraud. For refilling Uniball Jetstream ballpoint pens U1A33921 and U1A33922.