Zebra F301, F301 Ultra, F402, 301A, Spiral Ballpoint Pen Refills, 0.7mm, Fine Point, Black Ink, 2/Pack, Sold as 3 Packs, Total of 6

Exactly as ordered. No problems. Fast delivery. Replaced my cartridge in my pen and it works perfectly! The refills last forever. I use my pen EVERYDAY at work and didn't have to replace it for a little over a year! I bought both Blue and Black refills, for both of my pens!

The ink ran out in the pen I had, and love the fine tip and flow of the writing with these pens. Needed a refill, these fit perfect and came promptly. Good pricing.

Works well and lasts a fairly long time.

These fit my F301 perfectly

I had to order this because no office supplies store for miles had refills. The pen that uses this refill is top notch and very affordable. The ink flow is very consistent and controlled. I tend to use the pen in question all the time for my pen needs and the life span of a refill is great.

So glad they make these! My husband is obsessed with these pens! Has been for a LONG time. So being able to buy the refills is 5 star.

These are ready to go out of the package. Ink flows immediately with no coaxing.

So happy to find these refills. The quality of ink and refill is spot on.