The Prismacolor Marker Neutral Gray Set features 12 double-ended markers with both a chisel and fine nib perfect for creating multiple lines with one marker. Both tips of this double-ended marker draw from the same ink reservoir ensuring color consistency from either end. The non-toxic alcohol-based ink produces vivid colors yet has a minimal odor. This set contains 3 markers of PM98 (black) as well as 1marker each of the following neutral grays: PM216, PM217, PM218, PM219, PM220, PM221, PM222, PM223 and PM224.