Wing Sung 630 Size 8 Replacement Nib Unit – Gold Tone Fountain Pen Spare Nib Assembly (EF,F,M,B Options)Upgrade your Wing Sung Junlai 630 Fountain pen with this Premium Size 8 Iridium Replacement Nib Unit. Available in EF, F, M, and B Nib Sizes, it delivers Smooth ink flow and reliable writing performance. The complete screw in assembly allows for quick installation, making it easy to tailor your pen to your preferred writing style. Nib Options Extra Fine, Fine, Medium & Broad

and experiment with different ink colors for a visually stunning effect

Versatile Writing Experience:Features 5 interchangeable nibs to create different line widths

Designed for balance and comfort

The transparent fence-style ink window lets you track ink levels in real time

or everyday carry

It measures 4

✔ Smooth Writing Experience – Equipped with a fine stainless steel nib that glides effortlessly on paper

and controlled writing

✔ Removable Decorative Clip – Clip is purely decorative and can be easily removed for a cleaner look

Elegant Transparent DesignShowcases the ink color and piston mechanism beautifully through the clear resin barrel

The Majohn C1 Fountain Pen is a compact transparent pocket fountain pen featuring a premium acrylic resin body and unique colorful celluloid grip section

the acrylic material ensures long-lasting use while maintaining a premium feel