UnibeneParker Compatible Rollerball Refill 6 Pack, 0.7mm Medium Point - Blue, Smooth Writing Replaceable German Gel Ink Pen Refills for IM Sonnet Urban Pens

If you own and use ANY Parker rollerball pen (from the Vector to the Duofold Centennial), then your pens NEED this refill! They are MUCH better than the Parker or Monteverde refills! They are smooth, lay down a beautiful skip-free line, and they LAST! What a value! Parker could learn a thing or two by studying this refill! The ink dries fairly quickly which leaves your page smudge free! I got the black refills, and the lines are nice and dark! I use them in ALL of my Parker rollerball pens. The pen shown in the pics is the Parker Premier rollerball in black with gold trims. These refills are especially nice in this pen, and make it an absolute pleasure to write with! If you're looking for an upgrade to the "skippy" Parker branded refills, look no further! Unibene has you covered! Highly recommend!

While I have always been a Parker Fan with several Rollerballs and a Fountain pen, I was disappointed with the cartridge in my new Parker Jotter. It was much finer that I would have expected from a medium tip. Not to mention, under certain conditions it was "skipping".I am very happy with the Unibene replacement. It is as full and consistent as I would have expected. I also like their blue ink color. Will need to see how longevity plays out. However the Unibene replacement cartridges I have used in some tactical pens have been a pleasant surprise, thus the new loyalty to this brand.I believe its worth a try for this modest investment.

Very comparable to Parker-brand Fine point rollerball refills, and fit perfectly in my Parker IM rollerball pens. Based on an initial tryout, I think these Unibene refills produce a smoother and more saturated line than rollerball refills from Parker. Since I prefer extremely fine points, I was actually hoping that the Unibene refills with their prominent GEL marking would write more like a Uni-ball or Pentel gel refill with the same point size. However, Unibene must use a very wet gel ink (like the ink in Parker Jotter gel refills), because just like Parker gel refills, these 0.5 mm point Fine point Unibene rollerball refills produce virtually the same width line as a 0.7 mm Medium point Uni-Ball Signo or Pentel EnerGel refill. But if you like a wider line, then I think these Unibene refills are better than Parker refills, and certainly more economical.

Fine when it works, but a lot of skipping on a lot of different types of paper. Cannot recommend this at all.

I like that its writing still smooth, no skipping at all. For a generic refill, it is great for the quality and value for the $. The ink comes out a little faster and thicker than my Parker refill, so that it can blob easier and the lines are just not as fine, even though they both say they are "fine" and .5 mm. Makes a huge difference in letter-writing, but it should be fine otherwise. I had purchased it for the fine old art of letter writing, so I may need to go ahead and also purchase some more Parker refills. I do love the rollerball better than the gel or ballpoint versions of the Parker pen for its smooth flow.

Refills were shipped quickly and they fit my pen perfectly.The rollerball on these is fantastic! Ink color is consistent every time. The amount of ink that hits the paper is perfect. Ink dries fast (no smudges).Like most people these days, my information capture and signatures are digital. However, I noticed there are times when one needs to use a pen e.g when business need signatures on paper. During the pandemic, I've had to use those disposable pens from the "clean jar" when signatures-on-paper were required. After doing that a few times I decided to dig up my trusty Parker pen and press it into duty. I ordered these refills via Amazon so I could get started as soon as possible.I was surprised how much I enjoyed the sensation of pen on paper (and using my own pen). Now I find myself using the pen more and more. A simple pleasure.

I wouldn’t mind if these refills lasted a bit longer than they currently do for me. They seem to run out quickly, and I don't even use them in my main writing pen, so it's not like they get a lot of use every time I write. However, when they are newly installed, they deliver great quality.

I'm so happy finally replacing the ink in my pen. Writes well, and dark (Black ink)