Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Technical Pens |
| Origin | - |
| Brand | Uni Mitsubishi |
| Tip Size | 1.0 mm |
| Ink Type | Water-based Pigment Ink |
| Color | Black |
| Material | Plastic Barrel with Metal Tip |
| Origin | Japan |
| Usage | Drafting, Manga, Sketching, Engineering |
| Line Quality | Consistent and Smudge-proof |
| Cap Type | Snap-on Cap with Clip |
| Package Contents | 1 x Fineliner Pen |
Anonymous
Mar 31, 2026
Rating: 5/5
Student favorite
Bought this for my engineering drafting class. It makes clean lines on tracing paper and erases cleanly if I make a mistake before the ink sets.
Anonymous
Mar 26, 2026
Rating: 5/5
Smooth and reliable
Been using Uni pens for years. This 1.0 size is great for bold headers and outlining. Never had one dry out on me prematurely.
Anonymous
Mar 15, 2026
Rating: 5/5
Manga artist essential
I use these for inking my manga panels. The water-based ink dries quickly and doesn't bleed through standard sketchbook paper.
Anonymous
Mar 08, 2026
Rating: 5/5
Perfect for architectural sketches
The 1.0mm tip provides a bold, consistent line that is perfect for my initial building outlines. The ink flows smoothly without skipping.
Anonymous
Mar 05, 2026
Rating: 4/5
Great quality, slightly pricey
Excellent build quality and very comfortable to hold for long drawing sessions. Slightly more expensive than other brands but worth it for the reliability.
Anonymous
Mar 01, 2026
Rating: 4/5
Good for general stationery
Works well for journaling and bullet points where you need a thicker line. The cap clicks on securely so it doesn't dry out in my bag.
Q: What is the shelf life of the pen if unopened?
A: If stored in a cool, dry place with the cap sealed, an unopened pen typically retains optimal performance for up to 3 years from the manufacture date.
Q: Is the ink waterproof once dry?
A: Yes, the pigment ink is water-resistant and smudge-proof once it has fully dried on the page.
Q: Can this be used on fabric?
A: While the ink is permanent on paper, we do not recommend using it on fabric as it may not withstand washing and could bleed.
Q: Does the 1.0mm tip come in other colors?
A: Yes, the 1.0mm size is available in black, blue, red, and brown, though availability may vary by region.
Q: Is this pen refillable?
A: No, the Uni Pin Fineliner is designed as a disposable pen. Once the ink runs out, the entire unit should be replaced.
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