Asvine 5 Pack Fountain Pen Ink Syringe Filler, Spring Converter with Removable Blunt Needle Tip

Features

• The spring converter works with fountain pen takes 3.4mm converter such as Hongdian fountain pen by removing syringe needle.
• Great for filling or flushing fountain pen ink cartridges, converter and bottled ink.
• Easy to fill, just dip the tip into bottled ink, press the spring stick down, release the stick to draw ink up into converter.
• Easy Assembling: The filler comes with 3 parts ( converter, white connector and needle), Just attach the converter and needle with the connector at the correct end( refer to the video for details). You can do it easily if you wrap a cloth around it and add some grease on the connector. For the first time of assembling, you may need to push it a little harder
• Non-sterile, for industrial use only!