FPR-FNF #6 Two-tone Ultra Flex Bock Compatible Nib Unit (ebonite feed) Nautilus FNF add on Last two open slots accommodate

Last two open slots accommodate longer pens

Nib Options: 14k Extra Fine

and slightly longer feeds for more consistent ink flow

At lower saturations Best Wishes is a dark green that then sheens to a very dark red at higher saturations with a gorgeous shimmer

Premium acrylic or body and cap with gold plated rings and clip

FPR-FNF #6 Two-tone Ultra Flex Bock Compatible Nib Unit (ebonite feed) Nautilus FNF add on Last two open slots accommodateFPR has teamed up with Flexible Nib Factory to bring you #6 Bock compatible nib units that are fitted with FPR ultra flex nibs and FNF ebonite feeds for maximum ink flow for flexing. These units offer all the generous flow of an ebonite feed and will fit any #6 Bock threaded pen including our fountain pens. They write with an extra fine 0. 4mm line on the thin end and 2. 0mm fully flexed. They are tipped with top quality German made material for a