Solid White, Transparent White, Ink Black, Pearl White, Elegant Gray, Ink Black
Ultra-fine single-side tip gap of 0.014 mm, approximately 5 times finer than the national standard (≤0.2 mm), ensuring stable and precise ink delivery without irregular tip movement during writing.
High hardness resin material combined with metal pen tip for tight fit and durability.
Custom quick-dry ink paired with high-precision tungsten carbide ball for smooth, uniform ink flow; prevents skipping and paper scratching.
Writing smoothness improved by nearly 100% compared to national standard (Zero Series smoothness: 0.175 vs. national standard ≤0.35).
Ergonomic, skin-friendly anti-slip grip with micro-texture for comfortable hold, suitable for long writing sessions and wet hands.
Low center of gravity scientific weight distribution for natural grip and reduced wrist fatigue.
Precision threaded cap design for smooth, secure opening and closing without looseness or jamming.
Streamlined, minimalist design emphasizing durability and timeless aesthetics.
Multiple pen body styles to suit different writing preferences
Item
Detail
01 Model
Technological aesthetics with sharp, flowing lines.
02 Model
Rounded and full, soft like warm jade.
03 Model
(Details not specified)
Tested and verified by Kayou R&D laboratory with sample size of 100 pens.
Endorsed by Kayou stationery ambassador Zhou Bichang.
Suitable for left-handed users.
Tested on Kayou notebook paper for performance validation.
The Kayou ZERON Gel Pen from the Zero Series offers exceptional writing stability and smoothness through precision engineering of the pen tip gap and high-quality materials. Its ergonomic design and quick-dry ink make it ideal for efficient, comfortable, and precise writing experiences.
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