Schneider Topball 850 Black 0.5 mm Rollerball Refills - 2/pk

Works great

Perfect! I have a pen that I love and this was the exact refill it needed. Can't get a better deal.

Was an exact match to a custom ink pen that was given to me as a gift. Was able to change out the ink and the pen wrote very good, with no smudging.

I've been using one of these in my favorite pen for over a year now. It's been a great, almost daily go-to and has rarely disappointed me. The ink is a clean black color that writes smoothly and dries quickly. I've noticed as the cartridge has been used more that the roller ball wears out a bit and can occasionally interrupt inkflow. The overall volume of the ink is just fine, but the roller ball has worn out before the cartridge has emptied, which is why I give 4 stars instead of 5. I've already purchased refills because I love the ink despite that one small shortcoming.

Perfect fit for a unique pen a purchased at an art show.

A great supplement to the Beil... pen. Smooth writing instrument.

Works perfectly. Had a pen that I made and lost the ink cartridge. This was the exact one for a replacement...

This refill is providing smooth writing and consistent delivery of ink. Needed a replacement for a generic roller-ball pen (one with an organization's imprint rather than a manufacturer), so searched for replacements fitting original length (4.375 inches) and visual profile. This refill fits properly in the pen and performs better than the original.

No lo he encontrado en ningún sitio, lo pedí con la duda de si serviría, pero por precio tampoco perdía mucho y, arriesgue, me parece un buen producto

Excellent refill for my pen...

Top Tintenroller.

Tel que décrit

works a bomb. Would recommend this product