Speedball No. 5 Artists' Pen Set contains eight different pens for lettering, calligraphy, poster making, sketching, cartooning, and mapping. Each set includes 3 "C" style nibs (C0, C2, C4), 3 "B" style nibs (B1, B3, B5) and 3 "Artist" pen nibs (102, 56, 513EF) and two holders.