Twsbi Diamond 580 RBT, Red & Blue Nib F Fountain Pen.

• Fountain pen with piston ink filling system.
• Steel nib with writing gradation B (Broad).
• Transparent polycarbonate body with semi-transparent red and blue parts.
• Can be completely dismantled thanks to the kit included.
• Length: 142 mm (5.5”) Closed. 130 mm (5.1”) pen barrel.

The TWSBI Diamond 580 RBT Fountain Pen is a special version of the classic Diamond 580 model with a red tip and blue barrel end. The version with the suffix "RBT" differs from the first "RB" model as it has the "Twsbi" logo on the cap top instead of the Taiwan flag. The Twsbi 580 has captured the simplicity and elegance of traditional writing instruments and is established on the international market as one of the most popular pens for enthusiasts. In 2010, it was awarded the Red Dot Design Award, one of the main design recognitions. This model features a transparent body (Clear) with transparent red resin cap, transparent red tip and blue barrel end. The filling system is a piston mechanism; this fountain pen can be completely disassembled for cleaning thanks to a key included with the pen. The steel nib in writing gradations EF (Extrafine), F (Fine), M (Medium), B (Broad), Italic 1.1 and Italic 1.5. Material technical specifications: Polycarbonate with red cap and blue barrel end. Nib: Steel. Filling system: Piston-filler. Includes: Case with maintenance key and silicone bottle. Measurements: Closed 142 mm (5.5”), with cap fit 179 mm (7”). Diameter: 130 mm (0.5”). Weight: 32g.