PILOT Custom 743 Fountain Pen (14ct Gold Nib #15, Con-70) - BlackWhere nib choice actually matters The Pilot Custom 743 is where people often start paying attention to nib differences. It uses the same #15 nib size as the Custom 823, but opens up a much wider range of nib options, from extra fine through to soft and speciality nibs. Combined with the simple cartridge converter system, it becomes an easy way to experiment with how a gold nib actually feels on paper. What sets it apart Smooth 14K #15 gold nib, same