TWSBI | Fountain Pen | Diamond 580 Rbt
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TWSBI Diamond 580 Fountain Pen – RBT
This Diamond 580 features a clear demonstrator body with rainbow-colored iridescent (RBT) trim and a stainless steel nib accented with iridescent color. By fusing traditional fountain pen mechanisms with a modern, faceted industrial design, the Diamond 580 comes with a benchmark piston ink-filling mechanism and has all detachable parts.
The diamond-cut barrel catches the light beautifully, showing off the iridescent trim from every angle. A stainless steel nib is available in five sizes.
Key Features
- Clear demonstrator barrel with rainbow iridescent (RBT) trim
- Iridescent-accented stainless steel nib
- Piston filling mechanism, ~2ml ink capacity
- Faceted, diamond-cut design
- Fully disassemblable, with included wrench and silicone grease
| Brand | TWSBI |
| Product Origin | Taiwan |
| Product Type | Fountain Pen |
| Colour | Clear with Rainbow (RBT) Trim |
| Nib Material | Stainless Steel |
| Nib Size | Extra Fine, Fine, Medium, Broad, Stub 1.1 |
| Body Material | Resin (Demonstrator) |
| Trim | Iridescent (Rainbow) |
| Ink Filling Mechanism | Piston Filler (~2ml Capacity) |
| Cap Mechanism | Threaded Screw-Cap, Not Postable |
RBT refers to the rainbow-colored iridescent trim on the clip, cap band, and nib.
It uses a benchmark piston filling mechanism, holding around 2ml of ink drawn directly from the bottle.
This pen is available in Extra Fine, Fine, Medium, Broad and Stub 1.1 stainless steel nib sizes.
It's made by TWSBI in Taiwan.
Barcode: -
Product Type: Fountain Pens
SKU: TOE-M7446090
Tags:
fp luxury pens ,
fp pens ,
fp piston filler ,
Pens ,
Satyam Collection ,
Tejura Exports
Weight: 100 g
Vendor: TWSBI









































































































































