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Fountain Pen Revolution

TWSBI Diamond 580 / 580 ALR / 580 Iris Fountain Pens


The TWSBI Diamond 580, 580 ALR and 580 Iris are beautiful piston filled fountain pens at a great price. They can be fully disassembled for servicing


  • Piston filled
  • Clear body and cap with sturdy metal clip and ring.
  • Ships in custom TWSBI box and packaging with instructions.


  • Length capped: 14.2cm (5.59")
  • Length posted: 18cm (7”)
  • Width at section: 10mm (0.39”)
  • Weight: 28g (1oz)

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