🖋️ Write sharper, remember longer — the pen that means business.
The Mitsubishi Pencil Uni-Ball One Gel Ballpoint Pen Refill delivers ultra-fine 0.38mm black ink that writes darker and dries instantly to prevent smudging. Designed for professionals who demand precision and clarity, this refill fits Uni-ball One pens and enhances note-taking with its scientifically-backed ink formula proven to boost memory retention.
| Manufacturer | 三菱鉛筆(Mitsubishi Pencil) |
| Brand | 三菱鉛筆 |
| Item Weight | 0.81 ounces |
| Product Dimensions | 4.41 x 0.24 x 0.24 inches |
| Item model number | ハコUMR38S.24 |
| Color | Black |
| Grip Type | smooth |
| Material Type | Plastic |
| Size | 0.38 |
| Point Type | Extra Fine |
| Line Size | 0_3mm |
| Ink Color | Black |
| Manufacturer Part Number | ハコUMR38S.24 |
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