Refills can be bought for the regular colors: Pilot BLS-G2-5 Gel Ink 0

the work looks past the simplistic notions held by the general public of what graffiti culture is and who identifies with it

8 mm bullet tip for detail work — and the ink is the same water-based dye formula

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

" a water-based pigment formula that bonds into the paper fibers rather than sitting on the surface

uni paint px 21 tips 3 pack Os Gemeos Refills can be bought forExtra nibs for Uni Paint Marker PX 21 Fine 1,2 mm. Sold in packs of 3. The nips in these markers, can be reused by flipping them around, before completely discarding them.