WRITECH Retractable Fountain Pen - Blue Body, Fine Nib (0.3mm) with Black Ink

• Fine nib black ink, refillable design with 5 matching cartrideges, environmental-friendly
• One-handed control, no cap to lose (Please retract the nib after use to keep the ink from drying out)
• Sealing cover for high air-tightness, ink won't dry or leak out. Ergonomic grip zone for comfortable writing experience
• Precise ink regulator to adjust the amount of ink, ensuring clear lines and smooth writing
• A practical choice for beginners, professionals, and stationery lovers alike. Ideal for daily note-taking, journaling, study sessions, office writing, and on-the-go use
• Convenient small transparent box packing, can also be used as daily storage to avoid loss

• Unscrew the pen barrel. Gently push one of the 5 included ink cartridges onto the pen's ink feed until it clicks securely. Ensure it is properly seated to prevent leaks. — Insert Ink Cartridge
• Click the retractable mechanism to extend the fine nib. Begin writing; the ink regulator ensures a smooth, consistent flow. For best results, hold the pen at a comfortable angle. — Retract Nib and Write
• After writing, click the mechanism again to retract the nib. This action engages the airtight seal, preventing the ink from drying out and keeping the pen ready for your next use. — Retract Nib After Use

Typical situations where WRITECH Retractable Fountain Pen Set Fine Nib Black Ink | 0.3mm helps — illustrative scenarios, not customer reviews.