• Zebra "F" ballpoint Refills (1.0 mm)
• Oil-Based Ink
• Large Capacity
• Smooth, comfortable writing
• Length - 8.9 cm (Approx)

*Compatible with the following Zebra Ballpoint Pens:

• F-301 Ultra
• F-301 Deluxe
• F-301 Compact
• F- 701
• Nu- Spiral
• 301A
• F402