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Home / Technical Pens / STA 8050 Fineliner Pen, Waterproof Outline Pen, Ultra-Fine Edge Drawing, Smudge-Proof Marker for Art and Illustration

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Technical Pens
Origin -
Tip Size 0.05mm Ultra-Fine
Ink Type Waterproof Pigment Ink
Line Quality Smudge-Proof and Fade-Resistant
Barrel Material Durable Plastic with Metal Clip
Cap Design Ventilated Safety Cap
Color Black Ink / Grey Barrel
Ideal For Technical Drawing, Manga, and Illustration
Drying Time Quick-Dry Formula
Compatibility Works on Paper, Vellum, and Film
Package Contents 1 x STA 8050 Fineliner Pen

6 reviews

A

Anonymous

Mar 25, 2026

Rating: 5/5

Consistent flow

No skipping or blotching. The ink flows smoothly from the first stroke to the last drop. A reliable tool for professional work.

A

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect for intricate details

The 0.05mm tip is incredibly precise. I use these for my architectural sketches and the lines are consistently clean without any bleeding.

A

Anonymous

Mar 20, 2026

Rating: 4/5

Solid everyday pen

Good for journaling and note-taking if you like very fine print. Dries instantly which is great for left-handed writers like me.

A

Anonymous

Mar 15, 2026

Rating: 4/5

Great value for artists

Excellent pen for the price. The only reason I didn't give 5 stars is that the cap can be a bit tight to remove sometimes, but the line quality is superb.

A

Anonymous

Mar 14, 2026

Rating: 5/5

My go-to for manga inking

I have tried many fineliners, but the STA 8050 offers the best control for hatching and cross-hatching techniques. Highly recommended.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Truly waterproof

I tested this with watercolors and the ink did not smudge at all. It holds up perfectly even when wet media is applied over it.

5 FAQ

Q: Does the 0.05mm tip bend easily?

A: The tip is made of durable stainless steel. While it is sturdy, we recommend avoiding excessive pressure or dropping the pen to prevent damage to the ultra-fine point.

Q: Can I refill this pen once the ink runs out?

A: No, the STA 8050 is a disposable fineliner and is not designed to be refilled. We recommend recycling the barrel according to local guidelines.

Q: Is this pen suitable for use with alcohol markers?

A: Yes, the waterproof pigment ink is designed to resist bleeding when alcohol markers are layered over it, provided you let the ink dry completely first.

Q: Is the ink archival quality?

A: Yes, the pigment ink is acid-free, fade-resistant, and archival quality, making it suitable for long-term preservation of your artwork.

Q: What is the shelf life of the ink if I don't use it often?

A: If stored horizontally with the cap tightly sealed, the pen can last for several years without drying out. Always store it horizontally to maintain ink flow.

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