The Custom 743 has the same nib and body size as the 823 but is capable of using both a cartridge or con 70 convertor.  The 743 nib is also available in Extra Fine, Fine, Fine Medium, Medium, Broad, Double Broad, and Falcon, Soft Fine, Soft Medium, Soft Fine Medium, Course, Waverly

Whether planning on gifting this exquisite pen, or writing with it personally daily, the Custom 743 offers an unsurpassed writing experience that will delight fountain pen aficionados.

Pilot brand nibs will run finer than European brands. The Falcon nib is a specialty nib which has a lot of flexibility to it. This allows you to change the line thickness based on the pressure you apply. 

This item includes:

-Pilot 743 Fountian Pen

-Con 70 Pump Converter

-Pilot Cartridge

-Gift Box and Warranty Information