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- Metal refill for Schneider Office, Fave and K15 pens
- Standard ISO format X20 size fits many other pens
- Permanent / waterproof to ink standard ISO part 2 for 'documentary use'
- Medium line width
Metal refill for Schneider Office, Fave and K15 pens, as well as many others. Standard size - ISO format X20. Available in 4 colours. Ink certified as permanent and waterproof to ink standard ISO part 2 'documentary use'. Medium line width.