Piston pen key

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 ✨

Specification

• 🧰 Contents: 1 key (4 sizes in one)
• Type: Fountain pen maintenance tool
• Material: Stainless steel
• Packaging: Foil