Description
Advanced free ink system with Cartridge
When one cartridge used up , you can put on a new cartridge and keep on writing .
1 Blister card includes 2 rollers with 4 roller catridges.
Tip size : Needle tip 0.38/0.5/0.7
Ink : Dyebase ink black ,blue ,red ,green
Pigment ink black , blue .
Smooth continuos writing , quick dry ink , no smearing , no smudge .
