Zebra F-0.7 Black Ink Refill (BR-1B-F-BK)， for NuSpiral CC 0.7mm Ballpoint Pen (BA51)， × 6 Pack/total 6 pcs (Japan Import) [Komainu-Dou Original Package][Product Information]- Enter your model numberto make sure this fits.
- Pen tip diameter: 0.7mm
- Ink color: Black
- Oil-based Ink
- Refill for NuSpiral CC 0.7mm Ballpoint Pen (BA51)， NuSpiral T 0.7mm Ballpoint Pen (BA52)， Zebra 0.7mm F-301A (F-301A-BK)， Folder tier 300(BA80)， Folder tier ST Cap(BA91).
