5Pcs JinHao Ink Cartridges Fountain Pen Refill in Black/Blue Writing Tool

Product Details
Capacity: 0.5ML
Color: Black
Ink Color: Black/Blue
Length : Appr 55mm/2.17"
Fit standard Fountain Pen such as Jinhao ,Duke , Baoer
Not Fit The LAMY and for PARKER Fountain Pen

How to load the cartridge :
Most of fountain pens come with converter.You need to remove the converter from the black section before insert the cartridges into the same position.
Please push the cartridges into the black section with a little power until it locks,it will not flow ink if you do not insert it properly.
It may takes about 5-20 minutes for the pen flowing if you use it at the first for time.

Quantity: 5Pcs/Set

Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package list:
5 x Fountain Pen Ink Refill