The empty version of the Grog Metal Head EPT 04, equipped with a 4mm steel ball tip, which writes almost on any possible surface, in every condition, as on concrete, rust or wood. The reservoir is made of soft plastic, so you can squeeze it as much as possible to calibrate the paint flow as you like. To be filled with Grog Ruff Stuff Paint or your favourite ink.
Empty Marker, 4 mm steel ball tip.
