♦ This is a solid titanium nib, cut and shaped for flex writing.
♦ Includes an ebonite feed for maximum saturation.
♦ Tip is extra-fine to maximize range of line variation.
♦ Clear housing.
♦ Long nib slit to maximize flex.
♦ Four Diamond specialty nib marking.
♦ This has a #6 JoWo shape and fits pens that take this shape and size, including all #6 Franklin-Christoph model fountain pens.