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Home / Pen Ink, Refills & Cartridges / HERO Fountain Pen Ink Converter Universal Model 2.6mm/3.4mm Caliber Filling Aid Rotary Push-Pull Ink Sac Official Authorized Genuine Product Compatible with Hero Lamy Picasso

Attributes

Brand -
Category Stationery, Educational Electronics & Office Supplies / Pen Ink, Refills & Cartridges
Origin -
Brand HERO
Model Number Universal 2.6mm/3.4mm
Filling Mechanism Rotary Push-Pull Piston
Compatible Brands Hero, Lamy, Picasso, and others
Material High-Grade Transparent Plastic
Ink Capacity Approx. 0.8 ml
Nib Compatibility Standard International Nib Units
Color Clear/Transparent
Package Contents 1 x Ink Converter
Country of Origin China

6 reviews

A

Anonymous

Mar 17, 2026

Rating: 5/5

Excellent universal solution

Finally found a converter that works with my older Picasso pens. The push-pull action is very reliable, and I haven't experienced any air bubbles or skipping. Highly recommended for fountain pen enthusiasts.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Good quality, slightly tight fit

The converter works well and doesn't leak. It was a bit tight when inserting it into my Hero pen initially, but after a few uses, it fits just right. The transparency makes it easy to see ink levels.

A

Anonymous

Mar 06, 2026

Rating: 5/5

Smooth operation

The piston moves very smoothly without sticking. I use it with bottled ink, and it draws up ink quickly. No leaks so far after two weeks of daily writing. Very satisfied with this purchase.

A

Anonymous

Mar 05, 2026

Rating: 3/5

Works but capacity is small

It does the job and fits standard pens, but the ink capacity seems slightly smaller than the original Lamy converter. I find myself refilling more often. Still, it's a good backup to have.

A

Anonymous

Mar 04, 2026

Rating: 4/5

Great spare converter

Bought this as a spare for my travel kit. It feels sturdy and the plastic is thick enough not to crack easily. Fits my Hero 616 perfectly. Would buy again if I lose my current one.

A

Anonymous

Mar 03, 2026

Rating: 5/5

Perfect fit for my Lamy Safari

I was worried this wouldn't fit my Lamy Safari, but it slides in perfectly. The rotary mechanism is smooth and holds a decent amount of ink. Great value for the price compared to brand-name converters.

5 FAQ

Q: Can I use this with Noodler's ink?

A: Absolutely. This converter is compatible with all standard bottled fountain pen inks, including Noodler's, Diamine, J. Herbin, and Waterman.

Q: What is the difference between the 2.6mm and 3.4mm caliber?

A: The converter features a flexible seal that accommodates both sizes. The 2.6mm refers to the inner diameter compatibility, while 3.4mm refers to the outer grip section, allowing it to seal tightly in various pen brands.

Q: Is this an authentic HERO product?

A: Yes, this is an official authorized genuine HERO product, packaged and quality-checked to ensure compatibility and durability with your fountain pens.

Q: How do I clean this converter?

A: Simply remove the converter from the pen, submerge it in a bulb syringe or cup of clean water, and operate the rotary mechanism several times until the water runs clear. Let it air dry before reuse.

Q: Will this fit a Lamy AL-Star?

A: Yes, this universal converter is designed to fit Lamy pens including the AL-Star, Safari, and Studio models which use the standard Lamy nib section.

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