The Prismacolor Brush Marker Neutral Gray Set features 12 double-ended marker with both brush and fine nibs perfect for fashion design and hobby applications. Both tips of this double-ended brush marker draw from the same ink reservoir and have the same ink as Prismacolor double-ended chisel markers for perfect matching. The non-toxic alcohol-based ink produces vivid colors yet has a minimal odor. This set contains 3 markers of PB98 (black) as well as 1 marker each of the following neutral grays: PB216, PB217, PB218, PB219, PB220, PB221, PB222, PB223 and PB224.