Soft pen grip designed for comfortable long-term use, reducing hand fatigue.
Tri-color pen core allows easy switching between black, blue, and red ink for versatile marking and annotation.
Ink quantity measurement scale on the pen to monitor writing volume.
Dual-ball ST pen tip reduces friction between pen tip and paper, ensuring smoother writing.
Quick-drying ink minimizes smudging and keeps hands and paper clean.
Suitable for extensive writing tasks such as language studies, English vocabulary, grammar annotation, and mathematics.
Ideal for precise calculations and drawing graphs with fast-drying ink that supports neat and accurate lines.
Data sourced from COMIX laboratory tests.
Applications:
Comprehensive use across subjects including Chinese, English, and Mathematics.
Suitable for high-frequency calculations, note-taking, and detailed annotations.
Supports long writing sessions with durable ink supply and ergonomic design.
| Width | 9.0 |
| Height | 2.4 |
| NetWeight | 0.06 |
| Brand | COMIX |
| Model | EB985 |
| Product Name | All-Subject Neutral Pen Set |
| Pen Tip Size | 0.5 mm |
| Ink Color | Black (4 pens per box) |
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| Dimensions | 72 x 165 x 23 mm |
| High ink capacity | each pen can write approximately 30,000 characters, equivalent to three ordinary neutral pens (standard pens write about 400 meters; these pens have about 1200 meters of ink). |