The Complete Guide to Pilot G2 Gel Pens: Sizes, Types, and Refills

The Pilot G2 Pen has been around since 1997 it is a superb smooth writing pen that has developed an almost cult status and is one of the best selling pens in America. Some people are unsure if the Pilot G2 is a ballpoint pen, a gel pen, or a rollerball pen. We answer this plus all your other Pilot G2 questions in the following guide.

1. Is the Pilot G2 a Ballpoint Pen?

The Pilot G2 is a gel ink pen and a mighty fine one at that it is one of my all-time favorite gel pens. What is slightly confusing however is that Pilot refers to the G2 is as a gel rollerball pen. This is not strictly true as although it has a rolling ball to put the ink on the paper a rollerball pen is usually a liquid ink pen.

If you would like to know the differences between the different types of ink pens then check out our article ballpoint pen vs a gel pen vs a rollerball pen to see which is best for you. The Pilot G2 is available in several different tip sizes with the G2 07 fine point being the most popular. Take a look at our Pilot G2 07 Review where we put it through its paces.

2. Pilot G2 Pen Sizes & Types

The Pilot G2 gel pen is available in 5 tip sizes which are 0.38mm, 0.5mm 0.7mm, and 1.0mm. It is also available as a Ltd Edition, Pro, mini, and in a 100th-year anniversary edition.

2.1. Pilot G2 0.38 Ultra Fine Tip

Pilot G2 038 Gel Pens

The Pilot G2 0.38 Ultra Fine gel pen has the finest point tip of the G2 range and it writes very thin lines. It is a retractable gel pen and is usually available with black, blue, red, or green ink. Although more colors may be available in Asia where they prefer pens that write narrower lines. Read our Full Review Here

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2.2. Pilot G2 05 Extra Fine Tip

Pilot G2 05 Gel Pens

The Pilot G2 05 Extra Fine Pen is the next size up in the G2 range and has a 0.5mm tip. It is available in a greater range of colors than the 0.38 pens.

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2.3. Pilot G2 07 Fine Tip

Pilot G2 07 Gel Pens

The Pilot G2 07 has developed an almost cult-like following it is quite possibly the most reviewed pen online. Both in traditional blog posts and on YouTube. The G2 07 is Pilots’ biggest selling gel pen and is available in a huge range of colors which now includes metallic shades and pastel shades. It is also available in a cut down mini version and in special editions such as the Mika. The Pilot G2 measures 14.3cm in length.

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2.4. Pilot G2 10 Bold Tip

Piot G2 10 Gel Pen

The Pilot G2 10 Bold Point is for those that like strong bold lines its 1.0mm tip writes the widest line of all the G2 pens.

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2.5. Pilot G2 Mini

Pilot G2 Mini

The Pilot G2 Mini is a cut-down version of the G2 07 measuring only 11.2 cm in length, It is also known as a Pilot Pixie and a Pilot G2 XS. It may be small but it is still quite popular check out our Pilot G2 Pixie Review to see how it stacks up against its big brother. 

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2.6. Pilot G2 Mika

Pilot G2 Mika Ltd Edition Pens

The Pilot G2 Mika gel pens were a special edition brought out in September 2018. They were designed in collaboration with Mika the popular singer/songwriter and are a G2 07 pen with decorative barrels.

2.7. Pilot G2 Limited

Pilot G2 Limited Gel Pens

The pilot G2 limited is an all-metal pen with a rubber grip and 0.7mm tip. It uses the same refill as a G2 07.

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2.8. Pilot G2 Pro

Pilot G2 Pro Gel Pen

The Pilot G2 Pro has a very wide barrel that is color-coded to match its ink color and has a 0.7mm tip. It uses the same refill as a G2 07.

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3. Is Pilot G2 the Best Pen?

It can be argued that the Pilot G2 is the best gel pen by the fact that it is the most popular and far outsells any other gel pen. There are those who prefer the Uni-ball Jetstream and the Pentel EnerGel which is perhaps a smoother writing gel pen. However, they cannot match the Pilot G2 in popularity.

4. Where are Pilot G2 Pens Made?

Pilot Pens is a Japanese company and the majority of their pens are still made in Japan including the Pilot G2. So far they have resisted the temptation to outsource the production to another country with cheaper production costs.

5. What is The Length of a Pilot G2 Pen?

The Pilot G2 measures 14.3cm in length and the Pilot mini measures 11.2cm

6. How Far Can A Pilot G2 pen Write?

How far a pen can write is known as its write out the length and measured in kilometers. Unfortunately, Pilot Pens don’t give out this information they just state on the packet that the Pilot G2 has been proven to be the longest-lasting gel pen out of its competitors.

However, I can tell you that a Pilot G2 can write 37 pages in a notebook which is 1166 sentences. This was accomplished by Alex Lee who wanted to find out for himself and even did a video of it.

7. Are Pilot G2 07 Pens Waterproof?

Apart from pressurized ink pens such as the Fisher Space Pen very few pens are truly waterproof. The Pilot G2 07 is no exception it is water-resistant. What does that exactly mean? Well if you splash a small amount of water it may not smudge or run. Give it a good soaking and it will be a terrible mess.

8. Are Pilot G2 Pens Archival?

Pilot G2 Pens are of archival quality they contain a dense water-based ink that does not contain any acid or solvents.

9. How to Refill a Pilot G2 Pen

How to Refill A Pilot G2 Pen

Refilling a Pilot G2 gel pen it is quite straightforward you simply hold the pens rubber grip in one hand and use the other hand to twist the upper part of the barrel.

As you can see from the image the barrel will now unscrew into two separate parts allowing you to take out the refill and replace it with a new one.

10. Pilot G2 Refills

Pilot G2 Refills

The Pilot G2 pen refill not only fits G2 gel pens but it is also the same refill for Pilot G6, DR Grip Gel & Dr Grip Ltd, Q7, Begreen Precise Gel, G Knock, B2P and Pilot M.R. The codes for the four sizes of G2 refill are as follows:

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10.1. Pilot G2 0.38 Ultra Fine Refills

  • Black – BG23RBLK
  • Blue – BG23RBLU
  • Red – BG23RRED
  • Green – BG23RGRN

10.2. Pilot G2 05 Extra Fine Refills

  • Black – BG25RBLK-6PK
  • Blue – BG25RBLU-6PK
  • Red – BG25RRED-6PK

10.3. Pilot G2 07 Fine Refills

  • Black – BG27RBLK-6PK
  • Blue – BG27RBLU-6PK
  • Red – BG27RRED-6PK
  • Green – BG27RGRN-6PK
  • Purple – BG27RPPL-6PK
  • Navy Blue – BG27RNVY-6PK
  • Pink – BG27RPNK-6PK
  • Turquoise – BG27RTRQ-6PK
  • Burgundy – BG27RBRG-6PK
  • Orange – BG27RORG-6PK
  • Teal – BG27RTEA-6PK
  • Periwinkle – BG27RPWK-6PK
  • Lime Green – BG27RLIM-6PK
  • Caramel – BG27RCAR-6PK

10.4. Pilot G2 10 Bold Refills

  • Black – BG21RBLK
  • Blue – BG21RBLU
  • Red – BG21RRED
  • Green – BG21RGRN
  • Purple – BG21RPPL
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Peter Warrior: Pen & Pencil Expert

With nearly a decade of experience in the pen industry, I successfully ran an online pen business for 9 years. My deep-rooted passion for pens and pencils led me to become a part-time blogger, where I've dedicated myself to sharing the wealth of knowledge I've amassed over the years. I'm a firm believer in the power of the written word, as echoed by Malcolm Forbes: "Putting pen to paper lights more fire than matches ever will." My expertise is not just rooted in business, but in the genuine appreciation and understanding of the art of writing instruments.

20 thoughts on “The Complete Guide to Pilot G2 Gel Pens: Sizes, Types, and Refills”

  1. Pilot G2 in 1.0 and 07 tips is hands down my favorite pen. The company I was with for over twenty years gave us G2 pens and encouraged us to give them to our clients if they needed a pen during our interactions. G2 always got a nice complement from our customers! Inexpensive but very high quality and we were remembered for that little courtesy! Probably made a better impression than a cheap pen with our name on it.

  2. I’m looking for refills for the Dr Grip pen but am having trouble finding any. Do you know of any compatible refills for this pen?

    Thanks for any help 🙂

    • Hi, The Pilot B2P is not part of the Pilot G2 family of pens. It is a ballpoint pen. However, Pilot di eventually bring out the B2P with a gel ink refill.

    • Hi as far as I am aware it is only available as an 0.7mm, however, it’s a bit of a waste but you could cut down a 0.5mm or 0.38mm refill with a pair of scissors and it will fit.

  3. how is a leading pen manufacturer going to put a pen on the market that represents their leading flagship top of the line product that skips

    after about a week of use, now it is starting to skip and i am having to retrace my writing. i checked the ink, and it’s full, so i can’t see why i’m experiencing this except for bad quality control

    If you want a quality pen, don’t get a pilot. the other g2 gel pen that preceded this one leaked (going from one extreme to another here) so no, i don’t recommend this pen


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