TWSBI Diamond 580 AL Fountain Pen | Sunset Yellow

The Taiwanese brand TWSBI, inspired by Chinese calligraphy, combines tradition with modern design. The Diamond 580 AL Sunset Yellow is a unique iteration of the iconic 580 model — with aluminum details in a warm, sunny shade of yellow.

Increased Ink Capacity

The Diamond 580 is an improved successor to the 530 model — the ink reservoir capacity has increased by 30%. The built-in piston converter allows for filling the pen directly from an inkwell, and the transparent barrel enables real-time observation of the ink level and color.

Sunset Yellow Aluminum Details

Aluminum elements in a warm Sunset Yellow hue give the pen a distinct, summery character — elegantly contrasting with the transparent resin barrel. The matte finish of the aluminum is scratch-resistant and pleasant to the touch.

Full Disassembly and Customization

All components of the Diamond pen can be disassembled and reassembled without tools — ideal for enthusiasts of fountain pen mechanics and those who enjoy maintaining their equipment.

Specification

Material | resin, aluminum
Length with cap | 142 mm
Length without cap | 130 mm
Available nib sizes | EF, F, M, B, Stub 1.1
Made in Taiwan.

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