Pk/5 Jinhao Fountain Pen Ink Cartridges, Black

These do not fit older Jinhao pens that take the 1.5" standard international cartridge

Pack of 5 Jinhao ink cartridges for Jinhao and Baoer fountain pens. Approximately 2" (52 mm) long. The opening is 2.6mm on Jinhao ink cartridges (compared to 2.4mm on standard international ink cartridges). Made in China.