Hand-crafted stainless steel nibs can be inserted into speedball pen holders. When lettering Italic, Roman, black letter, etc., select a broad-edged tool like the c-series speedball nibs. When lettering pointed pen hands, such as copperplate, use a flexible pointed nib such as the speedball 99 or 103. For monoline lettering, select a speedball b-series nib. Flexible pen point, 2-nib set. 512/513Ef artist pen.