Waterman Pen 834264 Ballpoint Pen Refill, Medium Point, Blue Ink by Waterman

Q: I have a Waterman OPERA ballpoint it is a thick pen. Is this the correct refill?

I think the ballpoint refills work in all Waterman ballpoint pens. I have two different pens and I use the same kind of refill for both of them.

Q: Will this fit in Waterman Expert ball point pen?

Yes it will. That is a standard Waterman ball point refill that will fit any regular size Waterman ball point pens.

Q: How can I tell if the refill should be .5 or .7?

Generally, I have found with Waterman refills "Fine" tip is 0.5 and "Medium" tip is 0.7. My experience has been much better with the Medium tip refills - best in the world in my opinion.

Q: Does the ink cartridge come in a sealer package or in the pen? I recently purchased a waterman ballpoint pen. The cartridge was in the pen and leakin

Thank you for your interest in our product. If you purchased this ballpoint refill separately, it will come in a sealer package. If you purchased a pen, then it is designed to come along with a refill inside. If you have any issues regarding our products, you can always fill in the Contact Us form on our official website www.waterman.com or reach us on: 800-237-8736, Monday to Friday: 8AM – 5PM (EST).