MONTBLANC Montblanc original ball cartridge (M) - Black x2 branched into
Common nib (Nib) of Size, there are five main, from fine to coarse, respectively:
EF = XF = Extra Fine tip width of about: 0.24mm ~ 0.28mm
F = Fine tip width of about: 0.28mm ~ 0.34mm
M = Medium tip width of about: 0.34mm ~ 0.44mm
B = Broad tip width of about: 0.44mm ~ 0.54mm
BB = Double Broad tip width of about: 0.66mm ~ 0.86mm |