righto, we have had these badboys in stock for a while and its far beyond time for you to get ur rolling ball on...
eff you little white out pens stuffed with artline and nail polish remover
it is a giant pen filled with grog, the steel tip and ball design (ugh i feel dirty, but a good type of dirty typing those words) means anything with any form of texture will grip and give you consistent lines.... THATS RIGHT