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. Pointed and Crowquill pen nibs come in a variety of degrees of stiffness and a range of widths to provide the artist with control and variation. These nibs are made from the finest steel and hand-crafted in the USA. All Speedball nibs are compatible one of the following holders: Speedball Classic Pen Holders, Speedball Standard Pen Holders and Quill & Mapping Pen Holders. NOTE: In an effort to minimize damage during order packing and shipping, and to bring a higher level of customer service, these items are shipped in pack sizes.