Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Technical Pens |
| Origin | - |
| Brand | Mitsubishi Pencil Co. |
| Product Line | UNI PIN-200 |
| Ink Color | Black |
| Tip Sizes Included | 0.9mm, 1.0mm, 1.2mm |
| Ink Type | Waterproof Pigment Ink |
| Tip Material | Stainless Steel |
| Country of Origin | Japan |
| Ideal For | Manga, Technical Drafting, Outlining |
| Cap Type | Snap-on with Air-tight Seal |
| Package Quantity | 3 Pens per Set |
Anonymous
Mar 31, 2026
Rating: 5/5
Best investment for artists
I have been using Uni Pin pens for years. This set of thicker liners is perfect for border work and heavy outlines. Truly authentic Japanese quality.
Anonymous
Mar 28, 2026
Rating: 5/5
Architectural Drafting Essential
I use these for technical drawings and they never let me down. The line width is precise, and the waterproof ink means my sketches survive erasing and highlighting.
Anonymous
Mar 22, 2026
Rating: 5/5
Smooth and Reliable
Coming from other brands, the difference in smoothness is noticeable. These glide over paper effortlessly. The cap seal keeps them from drying out even if left uncapped for a minute.
Anonymous
Mar 15, 2026
Rating: 4/5
Solid performers
Very happy with the purchase. The ink flow is consistent and the lines are crisp. They feel slightly heavier than plastic disposables, which I prefer for control.
Anonymous
Mar 12, 2026
Rating: 5/5
Perfect for Manga Inking
These pens are absolutely fantastic for comic book inking. The 1.0mm and 1.2mm tips provide bold, consistent lines without any skipping. The ink is deeply black and dries quickly.
Anonymous
Mar 07, 2026
Rating: 4/5
Great quality, wish there were more sizes
The build quality is excellent and the grip is comfortable for long drawing sessions. I only gave 4 stars because I wish this specific set included a finer tip like 0.5mm for details.
Q: Are these pens refillable?
A: No, the UNI PIN-200 series are disposable fine liners designed for single-use until the ink runs out.
Q: Is the ink safe for use on watercolor paper?
A: Yes, the pigment ink is waterproof and archival quality, making it ideal for use under watercolors without bleeding or smudging.
Q: Do the caps fit tightly enough to prevent drying in hot climates?
A: Yes, the caps feature an air-tight seal specifically designed to prevent ink from drying out, even in varying temperatures.
Q: What is the shelf life of these pens if unopened?
A: Unopened UNI PIN-200 pens typically have a shelf life of about 2 to 3 years from the manufacturing date when stored in a cool, dry place.
Q: Can these be used on glossy photo paper?
A: While they can mark glossy surfaces, the ink may take longer to dry and could potentially smear. They perform best on matte or semi-gloss papers.
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