The Diplomat Viper Converter is a precision-engineered twist-action mechanism designed exclusively for the Viper series.
Built to exact specifications, it seamlessly integrates with the pen's internal dimensions for reliable ink flow and smooth operation.
This converter transforms your Viper into a refillable fountain pen, offering flexibility beyond standard cartridges. Included with every new Viper purchase, it's the ideal accessory for those seeking extended writing performance and sustainability.
Capacity: 0.9
Made in Germany.
