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Twsbi Eco Black Marble Bronze Fountain Pen is a perfect balance of style, value, and function. The TWSBI ECO fountain pen boasts an incredible value with its piston filling system and affordable price. Like many other TWSBI fountain pens, it features a crystal clear acrylic barrel so you can see your ink level, and a marbled black cap and finial. The pen cap has an inner cap to ensure a perfect seal when stored away. It is completed with bronze PVD trim and a matching stainless steel nib. The Black Marble color features a new coloring technique in the injection molding process to create unique patterns and colors. Every single pen will be unique and we cannot honor special requests. These pens also come packaged with a wrench and silicone grease. Neither of these accessories are intended to be used immediately, as they are for long-term care and maintenance. Ideal for both beginners and seasoned writers, the Eco’s piston-fill mechanism offers generous ink capacity and a smooth, consistent writing experience. Choose from a variety of nib sizes to suit your writing style.
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 | M7441240, M7441250, M7441260, M7441270, M7441280 |
| Type | Fountain Pen |
| Brand Colour | Black Marble Bronze |
| Colour | Black |
| 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 | Bronze |
| Nib Material | Steel |
| Postable | Yes |
| Trim | Bronze 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 |
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.
Pilot Ink Cartridge (Black - Pack of 6) IC50B
Very nice pen by Sailor Tuzu
The ink is well behaved, looks good, and most important for me, its permanent! Will be looking forward to try the Tsuwairo Black someday.


