TWSBI
TWSBI ECO Irish Green with Onyx Fountain Pen Fine
₹ 8,312.50
₹ 8,750.00
5% Off
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SKU: M7440730 · Out of Stock
TWSBI ECO Irish Green with Onyx Fountain Pen Fine
The TWSBI ECO Irish Green with Onyx Fountain Pen is a beautifully designed, high-performance writing instrument that blends elegance, practicality, and creative inspiration. Featuring a semi-transparent Irish Green resin barrel paired with an onyx black cap and piston knob, this pen offers a striking contrast that makes it visually appealing while allowing a clear view of the ink level and internal piston mechanism. Crafted for both beginners and experienced fountain pen users, it comes equipped with a smooth stainless steel nib available in multiple sizes, delivering consistent and fluid ink flow for writing, journaling, sketching, or professional correspondence. The Eco’s twist-action piston filling system draws ink directly from bottled ink, providing a generous ink capacity that supports long writing sessions without frequent refills. Ergonomically balanced and lightweight, the pen offers a comfortable grip for extended writing periods, while its screw-on cap seals securely to prevent ink from drying and can be posted on the back for added balance. Made from durable, high-quality resin, the TWSBI ECO is fully disassemblable, making cleaning and maintenance simple and ensuring years of reliable performance. Combining its distinctive Irish Green and Onyx colorway with precise engineering, generous ink capacity, and smooth writing performance, the TWSBI ECO Irish Green with Onyx Fountain Pen transforms everyday writing into an enjoyable, stylish, and inspiring experience for students, professionals, creatives, and pen enthusiasts alike.
Product Information
Design & Body
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Semi-transparent Irish Green resin barrel with onyx black cap and piston knob
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Screw-on cap with secure seal to help prevent ink drying
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Chrome-accent trim and spring clip for refined detailing
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Lightweight and balanced construction for everyday use
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Demonstrator-style design showcases the ink level and internal mechanism
Nib & Writing Performance
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Polished stainless steel nib available in multiple sizes: Extra Fine (EF), Fine (F), Medium (M), Broad (B), and 1.1 mm Stub
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Smooth, consistent ink flow ideal for writing, journaling, sketching, or creative scripts
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Reliable performance across a variety of paper types
Filling System
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Twist-action piston filling system draws ink directly from bottled ink
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Large ink capacity supports extended writing sessions
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Clear body makes it easy to monitor ink levels
Comfort & Ergonomics
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Balanced and lightweight feel (approx. 21 g) for comfortable extended writing
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Slightly tapered grip section for secure handling
Maintenance & Durability
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Fully disassemblable design allows for easy cleaning and long-term maintenance
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Durable resin body and screw-on cap for reliable everyday use
Dimensions & Specifications
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Length (Closed): ~139 mm (5.45 in)
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Length (Uncapped): ~131 mm (5.18 in)
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Length (Posted): ~168 mm (6.6 in)
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Diameter: ~12.8 mm
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Weight: ~21 g
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Ink Capacity: Approximately ~1.7–1.8 ml via piston fill
Ideal For
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Fountain pen beginners exploring piston-filled pens
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Students, professionals, and creatives seeking a dependable everyday writer
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Pen enthusiasts who appreciate dual-tone demonstrator aesthetics
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Anyone who enjoys bottled ink refills and customizable writing experiences
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