5 x RED Ink Mini Micro Pen Refills by NEO+. Compatible with: Swarovski, Cross 8518 4, Cartier®, Lamy M21, Faber Castell, Zebra, Tombow, Schneider, Schmidt, Parker, Pelikan, Monteverde, OHTO Pens

This refill can be used with any pen that uses a D1 sized refills Compatible with Lamy M21 and Cross 8518 Refills D1 67mm pen refill is a standard pattern used in most multi-function pens and many compact or expanding pens Compatible with Swarovski, Cross Tech3, Cross Tech4, Lamy L401 Pens Pack of 5 Red ink pen refills, 1mm tip