ballograf original medium refill Colors:Black This was the new

This was the new

so you can bring the thick lead back to a point without a separate desktop sharpener

Angelus 2-Thin Thinner can also be good to mix in the paint to avoid lumps when you paint on fabric

for example Posca

ballograf original medium refill Colors:Black This was the newThe standard refill for most new Ballograf pens worldwide. Ballograf Original Medium Refill is engineered for effortless glide and skip free delivery across high volume writing. Precision tip from rustproof Japanese steel with heavy duty tungsten carbide ball eliminates ink blobs. Premium light resistant oil based archival ink with internal grease seal ensures immediate flow and long storage life. Delivers 8,000 meters per cartridge. 1. 0mm medium tip