White Fountain Pen with a Clear Demonstrator Body and Piston Filling for a Visible Ink Supply

This white fountain pen makes its inner workings part of the writing experience. The TWSBI Eco pairs a clear demonstrator body with piston filling, letting you see the mechanism and ink supply as you write notes, journal entries or letters.

The piston mechanism holds a large volume of ink, while the included wrench and silicone grease support long-term maintenance. Choose the nib that suits your writing preference: Extra Fine, Fine, Medium, Broad or Stub.

Features

• Clear demonstrator body lets you see the internal mechanisms.
• Piston filling provides a large ink capacity.
• Included wrench and silicone grease support long-term maintenance.
• Five selectable nib sizes suit different writing preferences.

Specifications

• Product: Fountain pen
• Model: TWSBI Eco
• Color: White
• Body design: Clear demonstrator
• Filling mechanism: Piston
• Nib selections: Extra Fine; Fine; Medium; Broad; Stub
• Included maintenance items: Wrench and silicone grease

Frequently Asked Questions

Can I see the ink supply inside this fountain pen?

Yes. The TWSBI Eco's clear demonstrator body lets you see the ink supply and internal mechanisms, making the filling system easy to observe.

Which nib sizes can I select?

This fountain pen comes in Extra Fine, Fine, Medium, Broad or Stub. Select your preferred nib when choosing the pen.

What maintenance items come with the pen?

The TWSBI Eco includes a wrench and silicone grease intended for long-term maintenance.

What filling system does this pen use?

This fountain pen uses a piston filling mechanism that holds a large volume of ink.