ECO Fountain Pen - Black

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  • Start your journey.

    The TSWBI ECO fountain pens are perfect if you are new to fountain pens, or looking to take the next step up from a traditional cartridge/converter fountain pen. This affordable writer has a clear barrel so you can enjoy seeing your ink inside your pen. The clear resin is contrasted by a solid black cap and chrome trim.

    The ECO has a piston filling mechanism so you can simply wind the back end of your pen to fill with ink from a bottle.

  • TWSBI fountain pens come packaged with a wrench and silicon grease. These are not required to use and enjoy your pen. They are meant for long term maintenance by experienced fountain pen users who wish to disassemble their pen for cleaning.

    Learn how to use and care for fountain pens with our guides.

    Anatomy of a fountain pen

    Filling from a bottle


  • Brand TWSBI
    Type Fountain pen
    Colour Clear and black
    Body Material Resin
    Trim Chrome
    Cap Type Screw cap
    Postable Cap Yes
    Cartridge / Converter Type Built in piston filler
    Cartridge Doesn't accept ink cartridges
    Ink Converter Built in piston filler
    Nib Width Extra fine, Fine, Medium, Broad, 1.1 Stub
    Nib Material Steel
    Nib Colour Silver
    Weight (overall) 21 grams
    Length (overall) 139mm
    Length (without cap) 132mm
    Diameter (overall) 14.9mm
    Diameter (grip) 9mm