Uni-Ball Brush Pen Pin Dark Grey Felt tip. Plastic body . Black felt brush ideal for plans, layers, drafts, detailed drawings ... You will obtain a fine and precise line, with a regular ink flow and deep and intense colours. Pigmented ink with high water resistance that makes it non-erasable once dry even if water is poured on the page, it also has high light resistance and its colour does not fade even when exposed to direct light. Colour: Dark Grey . Brand: Uni-Ball