Standard pen ink cartridges- 6-pack – Erasable, washable, Royal-Blue 66p / Black/Violet/Turquoise 86p (+£4.49 non prime) @ Amazon



£0.66 – Amazon
These ink cartridges are compatible with all common fountain pens with standard-system.
PEN REFILLS KIT: International standard size ink cartridges in a 6-pack as a refill kit. Refill cartridges for home, school and work.
DIMENSIONS: 1 cartridge: 38 x 7 x 7 mm

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