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Home / Technical Pens / German Rotring Disposable Technical Pen, Direct Liquid Waterproof Line Drawing Pen for Drafting, Outlining, Design, Hand Drawing, and Signing

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Technical Pens
Origin -
Brand Rotring
Ink Type Direct Liquid Waterproof
Tip Material Stainless Steel
Line Width 0.35 mm
Body Color Black with Red Accents
Usage Drafting, Outlining, Design, Signing
Package Quantity 1 Pen
Refillable No (Disposable)
Country of Origin Germany
Item Weight 12 grams

6 reviews

A

Anonymous

Mar 30, 2026

Rating: 5/5

Reliable for signing documents

While marketed for drafting, I love using this for signing important contracts. The waterproof feature gives me peace of mind that the signature won't fade or smear over time.

A

Anonymous

Mar 23, 2026

Rating: 4/5

Great quality, wish it was refillable

As a disposable pen, the quality is unmatched. The flow is smooth and never skips. My only complaint is that I wish Rotring made a refillable version of this specific direct liquid model.

A

Anonymous

Mar 16, 2026

Rating: 4/5

Smooth writing experience

Very comfortable to hold for long drawing sessions. The grip is textured enough to prevent slipping. Deducting one star only because the cap can be a bit tight sometimes.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Perfect for architectural sketches

The line consistency is incredible. I use these for my final presentation boards and the waterproof ink ensures my work stays crisp even if I accidentally spill water nearby.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Consistent line width every time

Precision is key in my line art, and this pen delivers exactly what is promised. No blobbing at the start or end of a stroke. Highly recommended for professionals.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Best pen for technical illustration

I have tried many brands, but nothing beats the German engineering of Rotring. The tip does not fray, and the black is deeply saturated. Essential for any designer.

5 FAQ

Q: Is the ink truly waterproof once it dries?

A: Yes, the direct liquid ink is formulated to be waterproof and lightfast once fully dried, making it suitable for archival work.

Q: Is the tip durable enough for rough sketching surfaces?

A: The tip is made of hardened stainless steel, which is quite durable. However, for the best longevity and line consistency, we recommend using it on smooth to medium-texture papers.

Q: What is the exact line width of this specific model?

A: This specific SKU features a 0.35 mm line width. We offer various other sizes ranging from 0.18 mm to 1.0 mm if you need different thicknesses.

Q: How long does the ink last if I don't use it daily?

A: Since this is a disposable pen with a sealed cap, the ink remains viable for several years if stored horizontally with the cap tightly secured to prevent drying out.

Q: Can this pen be used on tracing paper without bleeding through?

A: Absolutely. The fine stainless steel tip and controlled ink flow are designed specifically for use on thin papers like tracing paper without bleeding or feathering.

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