PILOT Frixion Ball Zone 3-pack This erasable ballpoint pen is a next-generation model that allows you to write "darker and longer," responding to user requests for darker writing and increased ink capacity. ● Type: Gel ink ballpoint pen ● Size: Maximum diameter φ 11.1mm, total length 150mm ● Ball diameter: 0.5mm (extra fine) ● Barrel: Resin ● Grip: Rubber ● Mechanism: Clip slide knock type ● Ink: Premium Frixion ink (water-based gel ink) *Complete decolorization temperature: around 65°C ● Ink color: B (Black) Body colors: 3 colors First Light Pink Break Time Beige ⚠ Neutral Clear This one is 0.7mm. Each pack comes with 2 replacement ink refills. Black color.