Every artist know you'll need the right set of tool to come up with good results, especially in technical drawing which needs a variety of colors, different pens, etc.This is where PrismaColor comes into play. Their Premier Double-Ended Art Marker can deliver four different line widths as each marker is equipped with a broad tips as well as fine tip. This marker also features its advanced dye-based alcohol ink formulation, ensuring the a good saturation, coverage, and reliable ink flow.
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Link: news Tombow dual tip brush pens and dual end Prismacol
