1,Flat shape 2,chisel nib 3,tip size:5.5mm 4,With ... Parts match perfectly with each other and there will be no leakage under a pressure of 30kpa.Cap pull is ... with the fine quality colorants, there will be no fading, no transference and no change in colors under normal temperature.Tip There ... Fine nibs help to ensure a nice writing experience with no fork lines,And very important,nibs will neither slip ...