Blue/Black Pen Ink Cartridge Fountain Pen Cartridges Refillable Fountain Pen Cartridge, 3.4 mm Bore Diameter (No Erasable Black)

Overview

• Brand : AIYAYI
• Style : Pen Ink Cartridge
• Item Weight : 0.07 Kilograms
• Number of Pieces : 30
• Manufacturer : AIYAYI

About this item

• Package : 30 PCS blue/ black ink fountain pen cartridges
• Cartridge Lenght:50mm; Cartridge Diameter:5-8mm; Bore Diameter:3.4mm.
• This ink cartridge fit for standard fountain pen with 3.4mm bore diameter
• Cartridge keeps ink contained so replacing it is a clean process
• please confirm that the product diameter is consistent with the diameter of the interface on your pen before purchase