
The Story
The uni-ball one ink technology suppresses ink penetration into paper fibers for deep blacks and vivid color development. Lines appear sharp and assertive on notebooks and planners, maintaining clarity without show-through. The rotating mechanism allows quick color switching between black, red, and blue while the short barrel design fits easily into pockets and pen cases.
- Rotating retractable mechanism: Switch between three ink colors with a quick twist.
- Stabilizer mechanism: Optimized center of gravity provides stable, comfortable writing.
- Uni-ball one ink technology: Suppresses ink penetration for deep blacks and vivid colors.
- Sharp, assertive lines: Ink stays on paper surface for clear writing without show-through.
| Ball Diameter | 0.38mm, 0.5mm |
|---|---|
| Ink Colors | Black, Red, Blue |
| Mechanism | Rotating retractable type |
| Ink Type | Water-based ink |
| Material | Recycled ABS resin |

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The uni-ball one ink technology suppresses ink penetration into paper fibers for deep blacks and vivid color development. Lines appear sharp and assertive on notebooks and planners, maintaining clarity without show-through. The rotating mechanism allows quick color switching between black, red, and blue while the short barrel design fits easily into pockets and pen cases.
- Rotating retractable mechanism: Switch between three ink colors with a quick twist.
- Stabilizer mechanism: Optimized center of gravity provides stable, comfortable writing.
- Uni-ball one ink technology: Suppresses ink penetration for deep blacks and vivid colors.
- Sharp, assertive lines: Ink stays on paper surface for clear writing without show-through.
| Ball Diameter | 0.38mm, 0.5mm |
|---|---|
| Ink Colors | Black, Red, Blue |
| Mechanism | Rotating retractable type |
| Ink Type | Water-based ink |
| Material | Recycled ABS resin |























