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Twsbi Eco Carrara Onyx PVD Fountain Pen is a perfect blend of style, function, and craftsmanship. Designed for everyday writers, pen enthusiasts, and professionals alike, this fountain pen features a transparent barrel, allowing visibility of ink levels and inner mechanics, paired with a striking Carrara marble-patterned cap and onyx-black trim. The stainless steel nib delivers precise, smooth lines, ideal for detailed writing and note-taking. With its piston-filling mechanism, the ECO Carrara offers generous ink capacity without the need for cartridges, making it eco-friendly and cost-effective. Disassemble easily for cleaning and maintenance with the included tool and silicone grease, TWSBI’s user-friendly design ensures long-term performance and reliability.
With a history of more than 40 years of manufacturing, including producing high-end pens for other brands, Ta Shin Precision decided to start selling under their own brand, TWSBI. The name TWSBI is made up from TWS and BI. ‘TWS’ is the reversed initials of the phrase ‘San Wen Tong’, translated Hall of Three Cultures, and ‘BI’ literally means writing instrument.
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| Condition | New |
| Brand | Twsbi |
| Brand Origin | Taiwan |
| Product Code | M7442730, M7442740, M7442750, M7442760, M7442770 |
| Type | Fountain Pen |
| Brand Colour | Carrara Onyx |
| Colour | White |
| Body Material | Acrylic |
| Mechanism | Cap on / Cap Off |
| Cap Type | Screw Cap |
| Compatible Converter | Bottle Fill Only |
| Filling Mechanism | Piston Filler |
| Grip Material | Acrylic |
| Nib Size | Extra Fine, Fine, Medium, Broad, STUB 1.1mm |
| Nib Colour | Black |
| Nib Material | Steel |
| Postable | Yes |
| Trim | PVD Plated |
| Diameter (MM) | 12.8 |
| Length - Closed (MM) | 139 |
| Weight (gms) | 21 |
| Warranty Info | 2 Year warranty Valid against manufacturing defect only |
| Package Content | 1 Fountain pen includes a wrench and silicon grease with nice twsbi gift box |
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The converter I received was quickly delivered and in perfect packaging. Tried it with parker qink bottle worked like a charm (better than parker converters)
Excellent
MantraOnline is the best place for buying fountain pens, accessories and stationery!
very good quality
I am mind blown by the sheer and well thought of design intricacies. Right from the retractable clip to the magnetic cap and balanced body to cap weight, the pen is a must have for all pen connoisseurs.
The pen writes flawlessly without any skips and is a wet writer.
Absolutely stunning!!!
The Leatherette Twelve Pen Case by Arista is a very beautifully made and high quality pen case. The case is robust and the partitions are well made and wide enough to hold all thick fountain pens. It's hard to find such a pen case at this price point and hence it's a very appropriate purchase.
The Pilot Metropolitan is the perfect first pen for any fountain pen beginner. I got this in M, and it writes very smooth. Will highly recommend the M nib for beginners. The pen came included with a converter, and I have been using the Parker Quink Black. Planning to order a wetter ink and mostly decided on the Pilot for this pen to increase the smoothness even more
Faber-Castell Piston Converter 148785
As expected, very smooth nib. Writes flawless. No skips. No tuning was necessary.
Good fast excellent services
Very good writing results.
Very good service, nice and original product, good packing and quality. I wish you and your team the best
Excellent service.


