referring to the EF nib on the Kaweco Sport which is 14C 585. Also how interchangeable are the nibs? Can I order an Italic nib and expect it to fit in one of the pens? or every brand has its own shape/size? What to look for? like if its same length/width? or shape is a factor also?
Thank You!
Goran.
Thank You!
Goran.