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Home / Ballpoint Pens / Japan uni Mitsubishi Pencil SXN-150 Gel Ink Ballpoint Pen - New JETSTREAM Low-Viscosity Ultra-Smooth Quick-Dry Retractable Limited Edition Atomic Pen 0.5mm

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Ballpoint Pens
Origin -
Brand uni Mitsubishi
Model Number SXN-150
Ink Type New JETSTREAM Low-Viscosity Gel Ink
Tip Size 0.5mm
Line Width Extra Fine
Mechanism Retractable Click
Edition Limited Edition Atomic Series
Body Material Premium Matte Plastic with Metallic Accents
Grip Type Ergonomic Rubberized Grip
Country of Origin Japan

6 reviews

A

Anonymous

Mar 18, 2026

Rating: 5/5

Beautiful limited edition design

The atomic theme is subtle yet striking. Beyond aesthetics, the performance is top-tier. It starts instantly every time I click it, with no hard starts or blobs of ink.

A

Anonymous

Mar 17, 2026

Rating: 5/5

Worth the limited edition price

I collect high-end pens, and this uni Mitsubishi model stands out. The 0.5mm tip provides incredible precision for detailed note-taking. The build quality feels premium and durable.

A

Anonymous

Mar 16, 2026

Rating: 5/5

Perfect for fast note takers

As a student, I write pages every day. This pen never smudges, even when I wipe my hand across fresh ink immediately. The low-viscosity ink makes long writing sessions fatigue-free.

A

Anonymous

Mar 12, 2026

Rating: 4/5

Great writer, unique look

The writing experience is fantastic—very smooth and consistent. I gave it 4 stars only because the clip feels slightly tighter than my other Jetstreams, but the ink flow is flawless.

A

Anonymous

Mar 06, 2026

Rating: 4/5

Excellent daily driver

Switched from my standard ballpoints to this gel hybrid. The difference in smoothness is night and day. Only wish the refills were slightly easier to find locally, but online ordering solves that.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Smoothest pen I have ever used

The JETSTREAM ink technology is no joke. It glides across the paper effortlessly without any skipping. The atomic design looks sleek on my desk, and the quick-dry feature is perfect for my left-handed writing.

5 FAQ

Q: Is this pen suitable for left-handed writers?

A: Yes, the New JETSTREAM ink is formulated to be quick-drying, which significantly reduces smudging for left-handed users.

Q: Does the 0.5mm tip write like a fine point or a medium point?

A: The 0.5mm tip writes as an extra-fine line, offering high precision similar to a fine-point gel pen but with the smoothness of a ballpoint.

Q: What makes this the 'Atomic' limited edition?

A: This edition features a special colorway and finish inspired by atomic structures, along with exclusive packaging not found in the standard release.

Q: Is the grip rubberized or plastic?

A: The SXN-150 features a soft, rubberized ergonomic grip designed to reduce hand fatigue during extended writing periods.

Q: Can I use standard uni Jetstream refills with this pen?

A: Yes, the SXN-150 body is compatible with standard uni SXR-89 and SXR-200 Jetstream refills.

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