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Refined Darkness in Extinguished Carbon Black

Minimal, modern, and quietly commanding, the Uni-ball One F - 0.38mm in Extinguished Carbon Black captures strength through restraint. Its matte faded-black barrel exudes understated sophistication, while Uni-ball’s advanced pigment ink delivers crisp, ultra-fine lines with precision and control. Designed for scholars, professionals, and creatives who value discipline in both design and performance, this pen transforms everyday writing into a deliberate act.

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Product Highlights

• Ultra-fine 0.38mm tip for precise, detail-oriented writing

• Deep black pigment gel ink that dries quickly and resists smearing

• Stabilizer mechanism with balanced, low center of gravity for controlled strokes

• Matte charcoal barrel with premium construction for daily durability

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Product Details

• Type: Gel Pen

• Tip Size: 0.38 mm

• Ink Type: Uni-ball One Water-Based Pigment Gel Ink

• Ink Color: Black

• Barrel Color: Extinguished Carbon (Faded Black)

• Size: Approx. 139.2 × 15.5 × 10.5 mm

• Material: ABS Resin Body, Brass Interior, Stainless Steel Clip

• Refill: UMR-38S

• Brand: Uni-ball (Mitsubishi Pencil Co., Ltd.)

• Made in Japan

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A Little Note

Write with quiet authority. The Extinguished Carbon Black edition proves that true refinement lies in control, balance, and intention — a pen designed not to impress loudly, but to perform flawlessly.

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