50/100pcs Fountain Pen Ink Disposable Fountain Pen Cartridge Ink Refills Universal U7E2

Product size about : Diameter 3.4mm/0.13in

Product color: As shown in the figure

Product material:pp

product features:

-Diameter & SizeDisposable Ink Pen Refills 3.4 mm Bore Diameter, Length Appr 51mm; Cartridge Diameter Appr5-7mm. Ink content 0.9g / per stick. PS: These cartridges are not Standard Size, please ensure they work with your fountain pen before purchase!



-How to InstallRemove the pen cap: remove the pen cap, pen barrel and ink absorber Install the ink cartridge: Gently align the thin end of the ink capsule with the bayonet, and then press firmly until you hear a "click" sound. Confirm that the ink cartridge is installed: After installing the ink Cartridge in the pen, you can gently shake it to speed up the flow of ink, and then the pen can be used.



-Smooth Ink Flowour fountain pen ink slides on the paper smoothly and is unobstructed, and ink takes only a few seconds to dry, so the handwriting is not easily stained when you write or draw.



-AFTER-SALES SUPPORT: If you have any questions or concerns about our products, please feel free to contact us. We will be happy to serve you and ensure your satisfaction.



Precautions:

1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images.

2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only.



Package Included: