Upgrade your Uni-Ball One experience with our 10-pack of Mitsubishi Pencil Uni-Ball One Gel Ballpoint Pen Refills. Designed for precision and vibrant ink flow, these refills ensure your writing is always crisp and clear.

• Series: Uni-ball One - crafted for excellence in writing.
• Ink Color: Black - darker ink for vibrant, legible writing.
• Lead Diameter: 0.01 inches (0.38 mm) - perfect for detailed work.
• Compatible Products: UMN-S-38 - specifically designed for Uni-Ball One pens.
• Size: Shaft Diameter 0.2 x Thickness 0.2 x Total Length 4.4 inches (6.0 x 6.0 x 112.0 mm).
• Weight: 1.4 oz (42 g) - lightweight for easy handling.

These gel pen refills are perfect for students, professionals, and anyone who values quality writing instruments. With a lead diameter of 0.38 mm, you’ll enjoy precision in every stroke, making it ideal for note-taking, journaling, or creative writing. The rich black ink enhances visibility and ensures that your notes stand out, making it easier to recall important information. Plus, with 10 pieces in a pack, you can keep your favorite Uni-Ball One pen ready for action at all times!

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