Fully refillable with standard 0

or anyone running their own color system instead of buying premixed every time

Published: 2016

built around a 3

The tricot nib handles different paint viscosities without clogging

pentel pocket brush pen refill cartridges 4 pack hiddenproduct Fully refillable with standard 0Four 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)