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The Twsbi Obsidian Black Grey RGT Fountain Pen is a limited-edition writing instrument crafted from dark grey/black swirled acrylic resin, accented with rose gold trim, and equipped with a piston-filling mechanism for generous ink capacity. An ink window allows you to see your remaining ink level. Rose gold-plated stainless steel nib available in nib sizes EF, F, M, and B, making it versatile for different writing styles. 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. 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.
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 | M7445260, M7445270, M7445280 |
| Type | Fountain Pen |
| Brand Colour | Black Grey |
| Colour | Black |
| 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 | Fine, Medium, Broad |
| Nib Colour | Rose Gold |
| Nib Material | Steel |
| Postable | No |
| Trim | Rose Gold Plated |
| Diameter (MM) | 10.3 |
| Length - Closed (MM) | 141.8 |
| Weight (gms) | 30 |
| 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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