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Description
A perfect accessory for any fountain pen users, No ink inside!
TWSBI Vac 20A Ink bottle standardized for travel size: 20ml. Upper cap is made for TWSBI Vac Mini fountain pen. Middle cap is made for TWSBI Vac700 fountain pen. Lower cap made for ALL fountain pens. Bottle cap is also interchangeable with TWSBI Diamond 50 ink bottle cap.
