Refill for Uni Mitsubishi Pencil ballpoint pen UMR-87 (UMR87CZAR) — black ink

Replacement refill compatible with Uni Mitsubishi Pencil UMR-87 ballpoint pens, supplied as a single black-ink refill. This refill restores writing functionality in pens designed for the UMR-87 cartridge, providing consistent ballpoint ink flow for everyday writing tasks, note-taking, and office use. The refill is intended for users who need a straightforward, reliable black ink supply without changing the pen body.

Advantages

The refill offers a consistent, smooth ink delivery typical of standard ballpoint refills, reducing skips and blots during ordinary writing. It is compact and easy to install, extending the usable life of compatible pens and reducing waste by replacing only the ink cartridge. The black ink provides clear, legible lines suitable for documents, notes, and forms.

Suitable for

• Everyday handwriting and note-taking
• Office and administrative paperwork
• Schoolwork and study notes
• Refilling compatible Uni Mitsubishi Pencil pens to extend pen lifespan

Key specifications

• Ink color: black
• Refill type: ballpoint cartridge compatible with UMR-87 pen models
• Delivery format: single refill per package
• Intended use: standard writing, note-taking, office tasks

How to use

Remove the empty refill from the compatible pen according to the pen manufacturer’s instructions, then insert the replacement refill until it seats securely. Ensure the tip is properly aligned and test on scrap paper to confirm smooth ink flow before resuming regular use. Store unused refills capped or in their original packaging to prevent drying.

Usage recommendations

Use on standard paper for optimal writing performance and avoid prolonged exposure of the tip to air when not in use. Replace the refill promptly when ink becomes faint to maintain consistent legibility in documents.