About the product
- Lenght : Appr 51mm , Cartridge Diameter : Appr4-6mm, Bore diameter : 2.6mm
- Compatible with fountain pens take 2.6mm standard cartridges such as Jinhao. If you not sure if they works with your fountain pens, just send us a message to confirm this.
- Package : 30 PCS fountain pen cartridges black color
- Jinhao ink cartridges have a neutral PH, excellent coverage, smooth flow
- If there is any reason you do not like the pen ,just send us a message ,we can offer you a full refund or replacement !
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