Uni Mitsubishi UMR-83 Retractable Pen Refill - 0.38mm Red Ink

Length: 112mm (slight manual measurement error)

1. Water-based pigment ink for clear, non-bleeding lines that resist fading and smudging.

2. Dual-ball bullet tip for smooth writing, preventing ink leaks or backflows.

3. Transparent pen body for easy ink level monitoring, large ink capacity for long-lasting use.

4. Available in four everyday colors, suitable for various occasions.

Compatibility: Suitable for UMN-138 gel pens

Origin: Japan

Please note that the packaging for the UMR-83 gel pen refill has been updated, with both old and new packaging randomly shipped.