Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Technical Pens |
| Origin | - |
| Tip Sizes | 0.2mm / 0.3mm and 0.3mm / 0.5mm combinations |
| Ink Type | Water-based pigmented black ink |
| Line Consistency | Smudge-proof and fade-resistant |
| Body Material | Durable aluminum alloy barrel |
| Cap Design | Double-ended snap caps for quick access |
| Grip Section | Non-slip rubberized texture |
| Ideal Use Case | Architectural drafting and technical drawing |
| Refillable | No, disposable unit |
| Package Contents | Set of 4 pens (two of each tip combination) |
| Country of Origin | Japan |
Anonymous
Mar 29, 2026
Rating: 5/5
Best value for students
Bought these for my architecture studio class. They last longer than expected and the ink doesn't dry out quickly even if left uncapped for a few seconds accidentally.
Anonymous
Mar 27, 2026
Rating: 4/5
Great flow, sturdy build
The dual tips are very convenient when switching between detailing and outlining. The ink flows smoothly without skipping. Only giving 4 stars because I wish they were refillable.
Anonymous
Mar 15, 2026
Rating: 4/5
Smooth and dark
The black is very deep and opaque, making scans look crisp. The grip is comfortable for long drawing sessions. Would recommend keeping the caps on tight to preserve ink life.
Anonymous
Mar 09, 2026
Rating: 5/5
Perfect for the ARE Exam
I used these specifically for my Registered Architect exam prep. The line weights are distinct and consistent, which is crucial for clear technical drawings. No bleeding through standard tracing paper.
Anonymous
Mar 05, 2026
Rating: 5/5
Reliable for professional work
As a landscape architect, I need precise lines for site plans. These pens deliver exactly that. The 0.2/0.3 combo is my favorite for intricate hatching patterns.
Anonymous
Mar 03, 2026
Rating: 5/5
Essential toolkit item
These have replaced my old single-tip pens. Having two sizes on one barrel saves space in my pencil case. Highly recommended for anyone doing manual drafting.
Q: Can I buy refills for these pens?
A: No, these are disposable units designed for optimal performance until the ink runs out. They are not refillable.
Q: Is the ink waterproof once dried?
A: The ink is water-resistant and pigmented, making it suitable for most drafting needs, though we recommend allowing it to dry fully before applying any washes or markers over it.
Q: Are these pens suitable for use on vellum paper?
A: Yes, these pens are designed specifically for technical drafting on various surfaces including vellum, tracing paper, and high-quality bond paper without smudging.
Q: Do these come in colors other than black?
A: This specific model is currently only available in black ink to meet standard architectural drafting requirements.
Q: What is the exact length of the pen?
A: Each pen measures approximately 14.5 cm (5.7 inches) in length with the caps posted on both ends.
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