The Uni-ball UMR-85E is the gel ink refill found in the Uni-ball Signo 307. It is the 0.5 mm version of the UMR-87E.
Uni-ball UMR-85E Gel Pen Refill
Uni-ball UMR-83E Gel Ink Refill
The Uni-ball UMR-83E is the 0.38 mm gel ink refill sold in the Uni-ball Signo 307 pen.
Uni-ball UMR-87 Gel Pen Refill
The Uni-ball UMR-87 is the 0.7 mm gel refill found in the Uni-ball Signo 207 line of pens.
Uni-ball UMR-87E Gel Refill
Uni-Ball 207 Plus+ Gel Pen
The Uni-Ball 207 Plus+ is an update to the popular Uni-Ball 207 gel pen. It was released in mid-2020.
Pilot G2 Limited Gel Pen
The Pilot G2 Limited is a metal-bodied, executive pen based on the popular Pilot G2.
Pilot G2 Gel Pen Refill
The Pilot G2 is a rollerball style refill designed to fit in Pilot G2 retractable pens. While not technically a standardized size, many refills are commonly referred to as being Pilot G2-sized or Pilot G2 compatible.
Pilot G2 Pro Gel Pen
The Pilot G2 Pro is a variant on the standard Pilot G2 gel pen that features a slightly upgraded body, but it’s still essentially the same pen as the G2.
Pentel Libretto Roller Gel Pen
The Libretto is a rollerball-style pen that uses Pentel’s Energel gel ink refills. Pentel calls it’s a “Roller Gel” pen despite that not being a popular naming convention.
Pentel EnerGel Pro Permanent Gel Pen
The Energel Pro Permanent, sometimes call simply the Energel Pro or Energel Permanent, is a variant of the Energel liquid gel pen that uses a permanent, waterproof pigment-based ink. The ink is quick-drying like that of all Energel pens, but it’s also waterproof, fade-resistant, and fraud-proof.
Karas Kustoms Bolt
The Karas Kustoms Bolt is a metal, machined pen with a bolt-style knock. The current version of the pen is known as the Bolt V2, marking some slight changes between it and the previous version.
Sakura Gelly Roll Gel Pen
The Sakura Gelly Roll isn’t just a classic, great gel pen, it’s the original gel pen.
Arteza Gel Pens
Arteza Gel Pens are super affordable gel pens that strongly resemble the Uni-ball Signo DX (UM-151). The Arteza gel pens are super popular on Amazon, where they have excellent reviews.
Zebra Sarasa Grand Gel Pen
The Zebra Sarasa Grand is one of the best deals in the pen world. It’s a metal pen that uses Zebra’s excellent Sarasa gel link, and sells for under $10. It’s almost impossible to beat.
Pilot Dr. Grip Gel Pen
The Pilot Dr. Grip Gel is a popular pen that is known for its comfortable grip and wide availability. Dr. Grip pens are sold in ballpoint (the most popular type) and gel models, as well as a mechanical pencil.