The highly trained Speedball team manufactures each nib according to historically proven processes and takes meticulous measures to ensure that every nib meets stringent standards - all nibs are inspected, one-by-one. These broad-edged lettering nibs are available in several sizes and styles. Specially designed with built-in-resevoirs the points are flattened and set at an angle to deliver a completely even line when moved in any direction. A-Series Nib (Square): Creating block and poster Gothic letters, ornamental borders, designs and decorations. B-Series Nib (Round): For Gothic or outline letters, cartoons, uniform line drawings, borders and display posters. C-Series Nib (Flat): Designed for Roman texts, italic lettering and for accented line drawing, scrolls or scripts. LC Series Nib (Left Handed Flat): For the same uses as C-Series but is specifically designed for left-handed artists. All Speedball nibs are compatible one of the following holders: Speedball Classic Pen Holders, Speedball Standard Pen Holders and Quill & Mapping Pen Holders.