Uniball Signo 207 Gel Pen Refills, 0.7mm Medium Point, Black Ink, 6 Refills

the ink in these work really well. they're 11 1/4 mm long. the use is very easy since the ink flows well, dries quick, and works well with left-handed people. i tried to place it in a kaco(another pen brand) pen but it didn't fit, so if you have multiple empty uniball pens, i recommend buying this. a bit on the pricey side for just ink refills but... it's a really good ink.

Love these pens 🖊. They write so smooth and don't skip

I had six pens needing a replacement cartridge. Each cartridge was a perfect fit and a welcomed find for the money spent. The refill quality, thus far, has been excellent. Most pens using this cartridge type historically for me have struggled with durability. Functionality has seemed compromised when one can see ink in the cartridge but the ink did not flow to the cartridge’s point.

Product was delivered timely and were packaged well.

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Since I discovered the pen refills i have stopped throwing away pens. The refills arrive fast and cheaper than buying anothe4 pen. Finally...it reduces landfill.

I like the refills as the pen itself is reusable. Why throw them away. The refill has more ink that when I first purchased the entire pens set. Just buy refills you get a better deal with more ink in them.

Print great