As the structural core of the finished project, the tube provides the strength, stability, and precise alignment required for successful assembly. Manufactured to match the original kit specifications, it ensures a secure fit between the hardware and your chosen blank material, helping you create a durable and professional-quality writing instrument with integrated stylus and LED flashlight functionality.

Whether you’re working with timber, acrylic, resin, or hybrid blanks, this replacement tube is an essential spare component for any pen maker’s workshop.