Mystic Soul Sucker Nonagon PensMystic Soul Sucker Nonagon Introducing Mystic Soul Sucker Nonagon, a handcrafted pen with a polished steel Jowo nib size 6. This pen measures approximately 145m m long including cap, 135m m nib to body end, with a body diameter of 15m m and a cap diameter of 16m m. It comes with a Schmidt K5 ink converter, and other nibs are available upon request. The silver used is Argentium . 940, which is whiter and brighter than traditional . 925 sterling and