MANUSCRIPT PEN-Dodec Fountain Pen. The Dodec Fountain pen is truly the best choice for everyday handwriting use. The ergonomic lightweight design minimizes pressure on the hand and allows you to wr ite expressively in a way that is both comfortable and easy to do. It features a smooth-writing tip with a 5mm butterfly nib, and comfort finger grips aid in pen control. The ink cartridges are replaceable as needed and an extra is included in this package. Complete package contents include one pen and two ink cartridges. Conforms to ASTM D4236. Imported.