Caran d'Ache 849 Fountain Pen Fluorescent GreenFountain pen F 841. 230 Fountain pen M 840. 230 Nib: stainless steel Fountain pen ink cartridge Cap: click in Refills: Compatible with Chromatics cartridges, long international cartridges, piston pump Swiss Made The 849 Fountain Pen boasting a bright style. With its more rounded lines, the 849 Fountain Pen reveals a unique personality and comfort. The eye catching, energizing colours draw attention to the light yet robust aluminium body of the 849