LAMY Safari Fountain Pen, Yellow Medium Nib (L18M) Fountain pen with cartridge filling system with ink cartridge LAMY T 10 blue (can be modified for use with converter Z 24) Steel nib, polished. Available nib grades: medium (M) / extra fine (EF) / fine (F) / broad (B) / left-handed (LH). This is a medium nib. Shiny yellow Designer: Wolfgang Fabian