Arteza’s Micron Pens Set of 10 features a wide range of black pens in different sizes and nib styles. This plentiful pen set includes the following tip sizes: 005, 01, 02, 03, 04, 05, 08, and 2 mm. Our set of 10 black micro-line pens features chisel, felt, and brush tips, providing artists with true range in their pens. Our black Japanese Archival ink is completely non-toxic.