SH4717  Sheaffer Shadowave triple tine nibs, set of 10, polished steel. Writes a double line, one line is thinner, one broader. Length of nib is 27.37 mm, Shoulder measures 7.06mm and nib width is 2.85mm. These nibs originally came with No Nonsense Calligraphy fountain pens. NOTE: These are loose nibs, they are not mounted on a feed or section. (6 sets avail)