SAILOR Fude de Mannen Fountain Pen - 40 Degree Nib - Brown (excludes converter)This pen is popular with calligraphers because of the ability to experiment with line width. The SAILOR Fude de Mannen 40 degree nib fountain pen has a special curved nib (curved upwards at 40 degrees) that gives variation in line width. You get a finer line with the pen held in a more vertical position and a wider line as you decrease the angle of the pen to the page. This 40 degree pen provides finer lines than the 55 degree green pen and is well