CUSTOM 743 is high grade model of CUSTOM series. CUSTOM series, all foundation for writing is condensed in here. Most feature of CUSTOM series is intently to chase quality of "writing". Of course, Simple decoration is also good - probably, this is the shape that many people visualize when they hear "Fountain pen". Also, there are CUSTOM 74 and 742, the most difference point is nib size. The nib of CUSTOM 743 is most largest size in fountain pen of PILOT. What mean this? Generally, it is said the more nib is larger, the more you feel soft touch. If you like soft touch, you feel excellent one. But maybe there is another important point. This large nib has overwhelming presence. This is suitable for word of "Majestic". The nib is 14K. It is said 14K have moderate hardness and softness at the same, so most suitable for writing. Black color, there are 14 kinds of nib. You may find your favorite one. This pen is attached with converter (con-70 / 1.1ml). Of course, you can also use cartridge ink. Fine nib : The nib is relatively tough .So, it is difficult to be damaged by pressure. For this reason, this is recommended for first fountain pen. Soft Fine nib : This nib is relatively soft, easy can emphasize width of letter. So, it is recommended for person who write gently.