A small, satisfying reset for your favorite everyday pen. This Uni-ball ZENTO refill is made for the ZENTO gel pen series—so you can keep the same calm, minimalist body in rotation while the ink stays fresh and effortless.
ZENTO’s newly developed water-based pigment ink is built for smooth, low-resistance writing with clean lines that dry quickly and hold their shape. It’s designed to resist smudging, feathering, water, and light—ideal for journaling, study notes, logs, and anything you want to look crisp months from now.
Compatible with: ZENTO Basic, ZENTO Standard, ZENTO Flow, ZENTO Signature.
Product Details
• Designed by Uni Mitsubishi (Japan)
• Gel pen ink refill
• Ink type: Water-based pigment ink
• Ink characteristics: Quick-drying; resists smudging, feathering, bleed-through; water- and light-resistant
• Compatible with: ZENTO Basic / Standard / Flow / Signature
• Made in Japan
Variants
• Ink Color: Black / Blue
• Tip Size: 0.38 mm / 0.5 mm
Perfect for
• Refilling your Uni-ball ZENTO pen instead of replacing it
• Journaling with clean, low-smudge lines
• Work notes and study sessions that need to stay sharp
• Water- and light-resistant writing for archives, logs, and planners
• Keeping a spare refill in your pencil case or desk drawer
A quiet upgrade that keeps your ZENTO feeling new—one smooth page at a time.
Color may vary slightly depending on screen settings.