MANUSCRIPT PEN: 3-Nib Calligraphy Set. This 3-nib set has been designed to aid you in the development of calligraphy skills. It features an ergonomic lightweight design and includes three square edge nibs. The pen handle is made of plastic and measures 3 inches long; each of the nibs has an overall length of 2-3/4 inches. Complete package contents include one pen handle; two ink cartridges; three nibs (2B; fine; and medium); and instructions. Conforms to ASTM D4236. Imported.