6 Pitt Artist Pen Brush nibs in colors 272 warm grey III, 273 warm grey IV, 232 cold grey III, 233 cold grey IV, 235 cold grey VI, 199 Black, 2 Pitt Artist Pen fineliner nibs 199 black in superfine (S = 0.3) and medium (M = 0.7). Also includes a how-to instructional booklet.