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Convenient Design: Pen-shaped ink cartridges are lightweight, easy to carry, and simple to use. Insert the ink sac into the pen’s suction mechanism, and you’re ready to write in seconds.
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Smooth Writing: Fine ink particles with good fluidity ensure consistent, clog-free performance.
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Universal Fit: Suitable for most fountain pens that accept 2.6mm standard cartridges.
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High-Quality Ink: Neutral pH, non-toxic, and designed to provide excellent coverage and smooth ink flow.
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Durable Material: Plastic casing keeps ink secure and ensures long shelf life.