Works on: graphite from hard technical leads to soft charcoal

The industrial ink can be used on everything from paper and cardboard to plastic and metal

literally when the theme for the number is just getting caught for illegal graffiti

Fully refillable with standard 0

Published: 2016

pentel pocket brush pen refill cartridges 4 pack hiddenproduct Works on: graphite from hardFour replacement ink cartridges for the Pentel Pocket Brush Pen (GFKP GPP3 series). Push engagement seal swaps cleanly mid session with no leaks. Pigment based black ink waterproof and fade resistant once dry, so watercolor washes or alcohol markers can go over your lines without bleeding or reactivating. Contents: 4x black cartridges Ink: Pigment based, waterproof, UV fade resistant Fits: Pentel Pocket Brush Pen (GFKP GPP3)