FPR Stainless Steel Nib - Size #5.5 - EF Ultra Flex (Nib Only)The best of the steel flex nibs Turn an ordinary fountain pen into a tool for expressive writing and sketching. The FPR #5. 5 EF Ultra Flex nib delivers dramatic line variation with very light pressure, giving you hairline upstrokes and broad shaded downstrokes from the same nib. Designed for users who want softness and character without vintage level fragility, this nib rewards a gentle hand and slower, intentional writing. What set's it apart Fine