Mitsubishi Uni-ball Gel Impact Gel Rollerball Pen 1.0 mm Black

In a busy office, an architect needs to sign off on blueprints with a pen that won't smudge or fade. The Mitsubishi Uni-ball Gel Impact delivers crisp, water-resistant black lines that dry quickly, ensuring every signature and annotation remains sharp. Its 1.0 mm tip glides smoothly across paper, making it ideal for both detailed notes and bold signatures.

Key specifications

• Pen type: Gel rollerball pen
• Ink colour: Black
• Tip size: 1.0 mm
• Line width: Approx. 0.6 mm
• Ink type: Pigment gel ink
• Mechanism: Capped
• Grip material: Rubber
• Barrel material: Plastic
• Ink features: Water-resistant, fade-resistant, acid-free
• Refillable: Yes (compatible refill: Uni-ball UMR-10)
• Clip type: Integrated plastic clip
• Ink flow: Smooth and consistent
• Drying time: Fast
• Visibility: High
• Product series: Uni-ball Gel Impact
• Country of origin: Japan

Why choose it

Engineered for reliability, this pen uses pigment gel ink that resists water, fading, and acid, ensuring your documents remain legible for years. The rubber grip provides comfort during extended writing sessions, while the fast-drying ink prevents smudges, making it perfect for left-handed writers. Its refillable design reduces waste and long-term costs.

Ideal use cases

• Signing contracts and legal documents
• Note-taking in meetings or lectures
• Sketching and technical drawing
• Everyday writing at home or office

Good to know

The Uni-ball Gel Impact is part of Mitsubishi's renowned Uni-ball series, known for quality and performance. Its 1.0 mm tip produces a bold 0.6 mm line, offering high visibility on both white and coloured paper. The integrated clip securely attaches to pockets or notebooks, and the cap protects the tip when not in use.