Hand-crafted stainless steel nibs can be inserted into Speedball pen holders. When lettering Italic, Roman, Blackletter, 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. Broad edge pen points, 2-nib set. A2/A3.