Best Bold Ink Pen Refills of 2026

Rebecca Cantu Avatar
Rebecca Cantu
Last Updated: Jan 28, 2026

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Bold Ink Pen Refills are a must-have for anyone who loves to write with bold, smooth ink. These refills are designed to fit most pen brands and are available in a variety of colors, including black, blue, and red. The ink is quick-drying and smudge-resistant, making it perfect for everyday use. These refills are also long-lasting, so you won't have to worry about running out of ink anytime soon. Whether you're a student, professional, or just someone who loves to write, Bold Ink Pen Refills are the perfect choice for all your writing needs.

At a Glance: Our Top Picks

Pentel Refill Ink for EnerGel Liquid Gel Pen Cover #TOP 1
Pentel Refill Ink for EnerGel Liquid Gel Pen
ftb score rating icon 9.9
PILOT Gel Ink Refills for G2, Dr. Grip, ExecuGel G6, Q7 Cover #TOP 2
PILOT Gel Ink Refills for G2, Dr. Grip, ExecuGel G6, Q7
ftb score rating icon 9.8
Cross Rollerball Gel Ink Refill Cover #TOP 3
Cross Rollerball Gel Ink Refill
ftb score rating icon 9.6

Top 6 Bold Ink Pen Refills

Pentel Refill Ink for EnerGel Liquid Gel Pen

LR7-A
Black
0.7mm
Pentel Refill Ink for EnerGel Liquid Gel Pen Cover
Pentel Refill Ink for EnerGel Liquid Gel Pen, (0.7mm), Metal Tip, Black Ink, Box of 12 (LR7-A)

The Pentel Refill Ink for EnerGel Liquid Gel Pen is a box of 12 ink refills that provides standard refill for any refillable EnerGel pen, including BL407; BL77; BL107; BL117; BL57; and BL37. The high-performance ink technology combines the best qualities of liquid and gel ink for a super-smooth writing experience. The liquid gel ink dries so fast that even left-handed writers love it, with no smears, smudges, or globs. The ink color is black.

What We Like
Smooth writing experience
Fast-drying ink
Easy refill installation
Long-lasting refills
Environmentally friendly

PILOT Gel Ink Refills for G2, Dr. Grip, ExecuGel G6, Q7

14709
Black
Fine Point
PILOT Gel Ink Refills for G2, Dr. Grip, ExecuGel G6, Q7 Cover
Pilot, G2 Gel Ink Refills, Fine Point 0.7 mm, Black, Pack of 6

The PILOT Gel Ink Refills are suitable for G2, G2 Limited, G2 Pro, G6, Dr. Grip LTD., Dr. Grip Gel, Precise Gel BeGreen, G-Knock BeGreen, Q7, B2P Gel Ink pens, ExecuGel and Pilot MR Gel Roller. It is tested to write longer than the average of the top branded gel ink pens. PILOT offers a variety of pen types to suit every writing style.

What We Like
Smooth writing performance
Perfect fit in various pens
Affordable price
Quick-drying gel ink
Easy to install

Cross Rollerball Gel Ink Refill

Cross
8523-2
Black
2 Count (Pack of 1)
Cross Rollerball Gel Ink Refill Cover
Cross Selectip Gel Rollerball Pen Refill, Medium Point, Black, 2-Pack (8523-2)

The Cross Rollerball Gel Ink Refill is a high-quality ink refill designed for Selectip Pens. With its specially formulated ink, this refill offers a smooth performance, allowing for a superior writing experience. The medium-point tip produces crisp, bold lines, ensuring excellent visibility. The ink is fade-resistant and dries in a matter of seconds, eliminating smudges and smears. Compatible with various Cross pen models, this refill is a convenient choice for those who want reliable and quick-drying ink. Whether you're writing notes, signing documents, or expressing your creativity, the Cross Gel Ink Refill provides consistent, fade-resistant ink flow for a satisfying writing experience.

What We Like
Smooth writing experience
Reliable performance
Perfect fit for Cross pens
Affordable refill option
#TOP 4

Pilot G2 Gel Ink Pen Refills

77241BLU-3PK
Pilot G2 Gel Ink Pen Refills Cover
Pilot G2 Gel Ink Pen Refills, Fine Point, 0.7mm, Blue Ink, 6 Refills

The Pilot G2 Gel Ink Pen Refills are perfect for overachievers who love smooth writing and long-lasting ink. These refills are available in ultra fine, extra fine, fine, and bold point. Pilot also offers a full G2 line of Mini, Metallic, Mosaic, and Fashion gel ink pens in a variety of sizes, barrel designs, and colors. With proven longest writing gel ink among top brands, these refills are the classic choice for all your writing needs. Trust the quality of Pilot, who has been making pens for over 100 years.

What We Like
Smooth writing experience
No smearing or leaking
Comfortable grip
Long-lasting refills
Quick-drying ink
#TOP 5

Pilot G2 Gel Ink Pen Refills, Blue, 6 Refills

77290BLU-3PK
1 Ounce
Pilot G2 Gel Ink Pen Refills, Blue, 6 Refills Cover
Pilot G2 Gel Ink Pen Refills, Bold Point, 1.0mm, Blue Ink, 6 Refills

The Pilot G2 Blue Ink Refills come in a value pack of 6, providing you with 12 refills in total. Enjoy bold, smooth writing with a 1.0mm point size. These roller ball ink refills are perfect for all your writing needs, whether it's note-taking, journaling, or doodling. The blue ink adds a pop of color to your writing, making it stand out on the page. With these refills, you can easily keep your favorite Pilot G2 pen in use without worrying about running out of ink.

What We Like
Value Pack of 6
Bold Point 1.0mm
Smooth Writing Experience
#TOP 6

Pentel EnerGel BL57/BL77 Ink Refill 0.7mm Blue

LR7-C
Blue
0.7mm
Pentel EnerGel BL57/BL77 Ink Refill 0.7mm Blue Cover
Pentel Refill Ink for BL57/BL77 EnerGel Liquid Gel Pen, 0.7mm, Metal Tip, Blue Ink, Box of 12 (LR7-C-12)

The Pentel EnerGel Ink Refill offers a smooth writing experience by blending the best features of liquid and gel inks, making your writing glide effortlessly across the page. Its quick-drying formula is perfect for left-handed writers, as it helps prevent smudges and smears, keeping your work neat. You’ll also appreciate how smoothly this refill writes compared to other leading gel pens, ensuring comfortable use for long writing sessions. The 0.7mm metal tip produces medium lines, giving your notes and documents a clean and clear appearance. With the Pentel EnerGel Ink Refill, you get both convenience and quality in every stroke.

What We Like
Smooth writing experience
Fast-drying ink
Smudge-resistant
Comfortable for lefties
Medium line precision
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are ballpoint pen refills universal?

It's worth noting that a lot of brands make their own D1 refill sizes. However, if your pen uses a D1 refill, you can use a refill from any brand as they are compatible. There's a wide range of inks and color options to choose from.

2. What is the boldest writing pen?

BIC Cristal Xtra Bold Ball Pen is the smoothest and boldest Cristal ever, featuring a 1.6 mm ball point for extra smooth and extra bold writing! Black, blue, red and green feature Easy-Glide System, BIC's exclusive ink system technology, for smoother writing and a more vivid line.

3. Are all pen refills the same size?

Pen refills come in a wide variety of shapes and sizes. Some of these are standards, shared across pen brands and decades of pen designs, while other are propriety and limited to just a few brands or even a few models.

4. What MM is a bold pen?

1.6mmAbout this productSanford Uni-Ball Jetstream RT Bold Pen Refills, Black - 2 packUni-Ball Refill for Gel Impact Gel Pens, Bold Point, Black Ink, 2/PackBallpoint Pen Refill for Profile RTRefill for uni-Ball Vision Elite Roller BallPaper Mate Profile Ballpoint Pen RefillUni-ball Power Tank Ballpoint Pen RefillMont Blanc Set of 3 Ballpoint Refill Medium Mystery BlackPilot G2 Gel Ink Refill 2-Pack for Rolling Ball PensFisher Space Pen Blue Bold Point Pressurized Refill (spr1b)PARKER REFILLPilot G2 Refills, Black Gel Ink 1.0mm Bold Pt, 6 Packs of Refills Plus 1 Pilot G2 1.0 Bold Pt. Black Pen and 1 Pilot B2P Black PenPen Refill BICMontegrappa Refills Black Bold Point Ballpoint Pen IA00BBTCPilot FriXion Refills 10 Bold Black InkCross RefillTUL Gel Pen Refills Medium Point 0.7 mmStaples Ballpoint Pen Refill Medium Tip 17567888 Rollerball Refill SchmidtPaper Mate Lubriglide Ballpoint Refill

Editor's Notes

During our bold ink pen refill research, we found 24 bold ink pen refill products and shortlisted 6 quality products. We collected and analyzed 211,896 customer reviews through our big data system to write the bold ink pen refills list. We found that most customers choose bold ink pen refills with an average price of $7.31.

The bold ink pen refills are available for purchase. We have researched hundreds of brands and picked the top brands of bold ink pen refills, including Pentel, PILOT, Cross. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Rebecca Cantu Avatar

Rebecca Cantu grew up in a family-owned retail store for home and kitchen products. She worked online and gave assistance to people to buy ideal products for their sweet home after graduating from Northwestern University with a marketing degree. She has been writing content for online shopping guides since 2011 with her professional knowledge and natural sensitivity of appliances.