OASO K016 Retractable Fountain Pen with Airtight Sealing Nib

Experience the timeless elegance of a fountain pen combined with the modern convenience of a click pen. The OASO K016 is engineered for a smooth, reliable writing experience, featuring an innovative sealing valve that solves the age-old problem of dried-out ink. It’s the perfect tool for students practicing calligraphy, professionals taking notes, and anyone who appreciates effortless writing.

Key Benefits

No More Dry Ink:** A revolutionary sealing valve system automatically moistens and protects the nib when retracted, ensuring a fresh, ready-to-write point every time.

Leak-Proof & Durable:** The highly airtight design prevents messy ink leakage, while the shock-proof nib mounting protects the delicate tip from accidental drops and bumps.

Convenient One-Handed Operation:** Enjoy the satisfying click mechanism that lets you extend and retract the nib with just one hand, making it perfect for quick notes and on-the-go use.

Ergonomic Comfort:** The pen features a specially designed grip that encourages proper writing posture, reducing hand fatigue during long writing or calligraphy practice sessions.

Ready to Write:** Get started right out of the box with nine included black ink cartridges, providing a generous supply for all your projects.

Key Specs

Model: K016

Ink System: Cartridge-based

Package Contents: 1 x Retractable Fountain Pen, 9 x Black Ink Cartridges

How to Use

1. **Load the Ink:** To install a new ink cartridge, press it firmly into the pen until you hear a distinct "click" sound. This confirms it is securely in place.

2. **Write:** Simply click the top button to extend the nib. When you're finished, click it again to retract the nib for safe storage.

Notes

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