FPR-FNF 14k Gold #6 Ultra Flex Bock Compatible Nib Unit (ebonite feed) pen pouch Cartridge filled (only LAMY cartridge

Cartridge filled (only LAMY cartridge or optional Z28 converter)

)  They are tipped with top quality German made material for a smooth writing experience

and Triveni pens and write with an extra fine 0

Blue Tortoise

FPR-FNF 14k Gold #6 Ultra Flex Bock Compatible Nib Unit (ebonite feed) pen pouch Cartridge filled (only LAMY cartridgeFPR has teamed up with Flexible Nib Factory to bring you #6 Bock compatible nib units that are fitted with FPR 14k gold 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. They write with an extra fine 0. 4mm line on the thin end and 2. 5mm fully flexed. They are tipped with top quality German made material for a smooth writing