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The TWSBI Diamond 580 comes with a benchmark piston ink-filling mechanism and has all detachable parts. The clear demonstrator barrel allows you to see your ink color and remaining ink level. It has a translucent red cap, grip section, and translunt blue piston knob. It is complemented by elegant Chrome Plated trim, a Stainless steel nib, and is presented in a modern clear display case. The TWSBI Diamond 580 is a classic fountain pen with a piston ink-filling system. By fusing the traditional mechanisms of the fountain pen with a modern industrial design, TWSBI has created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The TWSBI logo is placed at the top of the cap. TWSBI's belief is that it is important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen.
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 | M7446050, M7446060, M7446070, M7446080, M7444490 |
| Type | Fountain Pen |
| Brand Colour | Rbt |
| Colour | Red |
| Body Material | Resin |
| Mechanism | Cap on / Cap Off |
| Cap Type | Screw Cap |
| Compatible Converter | Bottle Fill Only |
| Filling Mechanism | Piston Filler |
| Grip Material | Resin |
| Nib Size | Extra Fine, Fine, Medium, Broad, STUB 1.1mm |
| Nib Colour | Silver |
| Nib Material | Steel |
| Postable | No |
| Trim | Chrome Plated |
| Diameter (MM) | 10 |
| Length - Closed (MM) | 142 |
| Weight (gms) | 28 |
| Warranty Info | 2 Year warranty Valid against manufacturing defect only |
| Package Content | 1 Fountain pen comes 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.


