The Uniball ZENTO Flow Model elevates everyday writing with an effortlessly smooth and refined experience. Equipped with next-generation water-based ink, it features a special lubricating agent that reduces friction by 40%, allowing the tip to glide effortlessly across the page. Every stroke feels fluid and natural, making writing an intuitive pleasure.

With quick-drying, smudge-resistant ink, the innovative Attraction Particles Technology ensures crisp, clean lines with minimal spread and no bleed-through. Whether capturing spontaneous ideas or meticulously jotting down details, this pen delivers precision and clarity with every use.

Designed for both style and comfort, the long anodized aluminum grip lends a subtle gleam, perfectly complemented by a seamlessly coordinated, distinctive color clip. The well-balanced weight enhances stability and control, while the extra-fine 0.38mm tip provides exceptional accuracy for precise, uninterrupted lines.

The Agate edition takes inspiration from the rich, earthy depth of agate, capturing its natural warmth and intricate beauty in a striking bronze hue.

The Flow Model lineup’s rich, deep colors embody the essence of the earth’s natural elements, seamlessly blending elegance with a gentle yet stable writing feel. Designed for a smooth, unhurried flow, it transforms every writing moment into a refined experience.

Body Color: Agate
Water-Based Ink: Black
Tip: 0.38mm Extra Fine Point Pens
Size: Diameter 11 mm (0.4") x Length 139.6 mm (5.5")

Ink Refill: UBR-Z-38 (UBRZ38.24 Black)

Quality Made in Japan

Refined Aluminum Design: Features an anodized finish on the aluminum grip, lending a subtle gleam, complemented by a seamlessly coordinated color clip for a sophisticated, modern, and polished look.
Effortless Writing, Enhanced Comfort: Experience an exceptionally smooth glide with a water-based ink formula and a special lubricating agent that reduces friction by 40%, making every stroke fluid and stress-free.
Quick-Drying, Smudge-Resistant Ink: Innovative "Attraction Particles" technology draws ink particles together, minimizing spread and reducing smudging and bleed-through for cleaner, more precise writing.
Precision in Every Stroke: A well-balanced weight enhances stability and control, while the extra-fine 0.38mm tip ensures smooth, uninterrupted lines with exceptional accuracy.
Inspired by Agate: The warm, earthy tones of agate create a striking visual appeal, showcasing its natural depth and intricate beauty in a striking bronze hue.