ParkerQUINK Rollerball Pen Ink Refill, Medium, Black

Works fine

An absolute delight to write with, the Parker QUINK Rollerball Pen Ink Refill in Medium Black effortlessly glides across the page, producing crisp, consistent lines with every stroke. Its rich, deep black ink dries quickly, ensuring smudge-free writing, while its smooth flow enhances the writing experience. Compatible with various Parker rollerball pens, this refill is a testament to quality and reliability, earning a well-deserved five-star rating.

Parker makes a great pen, but what makes is great is the ink and the smooth flow. I always make sure to use a genuine refill in all my pens. This way, I will get the performance I expect.

Writes fine, but struggles to stay legible, too much ink

I haven’t opened it yet,when I do,I expect Parker has developed a long skinny tube of ink to be used in scratching my name and thoughts to paper You may find it useful in other pursuits

Exactly what I was looking for

The right one

As someone who’s relied on high-quality rollerball pens for decades in both executive and archival environments, I expect a certain level of performance and reliability from a brand like Parker. Unfortunately, these QUINK rollerball refills completely betray the legacy of their name. Within a few months of installation, I encountered multiple catastrophic failures: the ink reservoir pressurized or deteriorated, causing spontaneous overflow into the cap, nib, and ultimately into the pen body itself. The result? A pen that went from refined writing instrument to biohazard.The chemical composition of the ink appears to destabilize over time, perhaps due to poor sealing or aging stock. It breaks down in viscosity and begins to pool erratically—an issue compounded by what I suspect is inadequate pressure regulation in the refill’s internal structure. This isn’t a minor leak or a dried tip; it’s a full-blown ink purge. Removing the cap becomes a gamble—one that often ends with an inky eruption and an irreversibly stained leather blotter. The refill essentially becomes a grenade waiting for the next user.Cleaning the aftermath is a painstaking process. It took hours with cotton swabs, isopropyl alcohol, and ultrasonic agitation to remove the tar-like sludge from the inner feed of my pen—a pen that retails well north of $100. Worse, the ink had saturated hard-to-reach capillary channels, affecting flow and performance even after deep cleaning. The residue also transferred onto my fingers and paperwork during use, a completely unacceptable outcome for any setting, let alone a professional one.Whether this is a case of degraded shelf life or a design flaw in the refill itself, I can’t say. What I do know is that these refills should not be marketed for use in high-end pens. If Parker is distributing old or improperly stored stock, they’re damaging both pens and reputations. For now, I’ll be sourcing alternative refills and treating these QUINKs as a cautionary tale.