Herbin Converter Pen, Skeleton, 0.5mm Fine Tip—Skeleton body lets you see ink color and remaining ink at a glance. HERBIN hb-pen07

Total length 137 x coaxial diameter 10 x maximum width 14mm Converter and cartridge compatible Includes one converter. One cartridge included (Night Blue) *Cartridge length: 3.8cm (European standard: European type/short) Nib: M (medium)