5PCS Tactical Pen Refills Black Roller Ball Pen

Features:
*Pack of 5 PCS universal tactical defense pen metal ballpoint refills for Multi-kinds for Laix Tactical Pen, black ink.
*It's a good replacement for LAIX tactical defense pen.
*Best Writing Feeling: Smooth writing, won't bleed through. Ink quickly dries with a consistent ink flow, no ink smear-proof.
*Robus and Last Longer: Packed with more ink and less air than comparable refills.
*Easy to installation.