- Smooth & Consistent Writing: Blue ink offers excellent coverage with a smooth flow for lasting, uninterrupted writing.
- Universal Fit: 2.6mm bore diameter designed to fit Jinhao and other standard fountain pens, ensuring easy refills.
- Easy to Use: Simply insert the cartridge into the pen body, click in place, and wait a moment for the ink to flow to the nib.
- Portable & Convenient: Comes in 15 packets of 5 cartridges each, making it easy to store and carry in bags, backpacks, or briefcases.
- Ideal Gift: Perfect for students, office workers, or as a thoughtful gift for colleagues and friends who appreciate smooth writing.