Posca's PC-8K pen has a 8mm Chisel tip.
Posca works on many surfaces such as paper, ceramic/porcelain, terracotta, wood, metal, textiles, plastic and glass. The marks made will then need to be treated depending upon the surface used.
PAPER: adheres perfectly to all types of paper and cardboard. It does not bleed through paper and is resistant through time.
CERAMIC/PORCELAIN: bake in a normal oven at 180 degrees C for 45 minutes and then spray with varnish.
TERRACOTTA: bake in normal oven at 220 degrees C for 45 minutes and spray with varnish.
WOOD: spray with varnish.
METAL: spray with varnish.
TEXTILES: iron on reverse to fix marks.
PLASTIC: spray with varnish
GLASS: bake in normal oven at 160 degrees C for 45 minutes and spray with varnish.