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Home / Technical Pens / Empty Liner Pen Shise Refillable Technical Pen Cotton Core Refillable Ultra-Fine Writing Colorful Ink Calligraphy Brush

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Technical Pens
Origin -
Brand Shise
Tip Size Ultra-Fine (0.3mm)
Core Material Cotton Fiber
Ink Type Refillable Liquid Ink
Body Material Durable Plastic
Cap Style Snap-On with Clip
Ideal For Calligraphy, Sketching, Detail Work
Ink Flow Consistent and Smooth
Package Contents 1 Empty Pen Body, 1 Cotton Core
Color Compatibility Universal Water-Based Inks

6 reviews

A

Anonymous

Mar 30, 2026

Rating: 5/5

Sustainable and functional

Finally, a technical pen that isn't disposable. Being able to refill it reduces waste, and the performance is just as good as expensive brand-name alternatives.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Architect's dream tool

As an architect, I need precise lines for my drafts. This refillable technical pen delivers exactly that. The ultra-fine tip doesn't fray easily even after heavy use.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Smooth writing experience

No scratching or skipping. The ink flows smoothly onto the paper. I've tried three different ink brands in it, and all worked perfectly.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Perfect for custom ink colors

I love that I can use my own watercolor mixes in this pen. The cotton core absorbs the ink evenly, and the line quality is incredibly consistent for such a fine tip.

A

Anonymous

Mar 04, 2026

Rating: 4/5

Great value, minor learning curve

Excellent pen for the price. It took me a few tries to get the ink saturation right so it wouldn't bleed, but once I figured it out, it writes beautifully.

A

Anonymous

Mar 02, 2026

Rating: 4/5

Good for calligraphy practice

The flexible cotton core allows for slight line variation which is nice for brush lettering practice. Just make sure to cap it tightly to prevent drying.

5 FAQ

Q: What is the best way to clean the pen before changing ink colors?

A: Rinse the cotton core and the nib section under lukewarm running water until the water runs clear. Let it dry completely before adding new ink.

Q: Is the tip size fixed or adjustable?

A: The tip size is fixed at 0.3mm ultra-fine. However, line width can vary slightly based on the pressure applied and the amount of ink saturated in the core.

Q: Does this come with any ink included?

A: No, this product is sold as an empty liner pen with the cotton core installed. You will need to purchase your preferred liquid ink separately.

Q: How do I replace the cotton core when it wears out?

A: Simply unscrew the barrel, pull out the old core gently, insert the new one, and screw the barrel back on. Replacement cores are sold separately.

Q: Can I use alcohol-based inks in this pen?

A: We recommend using only water-based inks. Alcohol-based inks may damage the cotton core and the plastic body of the pen.

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