Multifunctional piston fountain pen key – an essential tool for pen lovers
The service key is a practical tool that allows you to easily disassemble fountain pens with a built-in piston. Perfect for collectors, hobbyists, and anyone who cares for their fountain pens like a precious treasure 🛠️.
🔧 4 sizes of keys – fit most popular piston pen models
🌀 Easy disassembly – allows for thorough cleaning and maintenance of the pen
🖋️ Precision tool – made of steel, durable and resistant to deformation
How to use?
🔁 Unscrew the back of the pen (as far as it will go)
🧩 Insert the appropriate key into the interior
🔓 Rotate to remove the piston and gain access to the inside of the mechanism
Take care of your pens like a professional – with precision and attention to every detail ✨
