Uni-ball Zento Gel Pen Ink Refill

The Uni-ball Zento Gel Pen Refill is designed for smooth, reliable writing with a 0.38 mm or 0.5 mm conical tip. Its ink formulation reduces friction, feathering, and bleed-through, ensuring every line stays clean and controlled.

Quick-drying and water-resistant, this refill helps prevent smudges while maintaining clarity on the page. Compatible with Uni-ball Zento pens, its an easy way to extend the life of a favorite tool while keeping your notes and annotations sharp.

Features

• 0.38 mm or 0.5 mm conical tip for balanced, precise writing
• Specially formulated ink reduces friction, feathering, and bleed-through
• Quick-drying and water-resistant performance
• Compatible with Uni-ball Zento pens
• Euro style refill design
• Metal tip for durability
• Dimensions: 4.4″ in x 0.23″ in (11.2 cm x 0.6 cm)
• Single refill pack

Listing is for one Uni-ball Zento Gel Pen Ink Refill only.