Uni-ball - GELS REFILLS range - ref: UMR87 - Medium writing refill -

Refill for the Uni-Ball SIGNO 207. A tamper-proof pigment ink that allows writing to be preserved securely over time. - Medium tip 0.7 mm - Double-ball system: the regularity of the ink flow considerably increases the lifespan of the roller - Intense and bright colors - Your writings 100% secure thanks to the tamper-proof SUPER INK ink: resistant to water and solvents, maintains its intensity over time - Stainless steel tip