200 ml black penetrating industrial ink suitable for all kinds of surfaces

and wipe it off

the photographers provide commentarial texts according to their picture series

it’s easy to control as you use it

170x240mm portrait

grog cutter 08 bmi marker 8mm brown sugar Renks 200 ml black penetrating industrialRevoluting the graffiti game. Grogs Black Magic Ink is a special invisible ink that is totally invisible when applied but in turns into a deep dark color in reaction with daylight UV light. The marker is filled with 20 ml ink and equipped with a 8 mm polyester quickflow chisel tip. The marker can be refilled with Grog Black Magic Ink, 70ml Refills.