Good flexibility - not too flexible, not too stiff (but stiffer than Gillott 303). Very thin hairlines and good swells. Works for scripts 3/16"-1/16". Sharp point (but not as sharp as the 303), but will work on slightly textured surfaces. Tends to catch on upstrokes. Satisfactory for Spencerian Script.
These are sometimes called Hunt 22B. Stamped on nib: HUNT EXTRA FINE 22