•Standard (original nib)
•3.0(Pencil feel) The pen tip is rounded and will not damage the screen. Spring technology protects the mattress. Writing is smooth and continuous. It is a form of drawing and writing that serves two purposes.
•3.5(Ballpoint pen feel ) More accurate pen position, more stable pen control, wider field of view, upgraded multi-purpose brushes
•4.0(Fountain pen feel ) Broad vision and comfort. Easily carve details. Side seams show more beauty. Broad vision. Writing style.