Transparent glass pen in red with gold, approximately 0.6mm in thickness.

I bought this during a recent trip to Italy. It is made in Italy. I did a test writing to check the thickness, and it gives an impression of about 0.6mm. I think the pen tip can be adjusted using a fine file and water.This is a single glass pen without a box or anything else.It is a transparent glass writing instrument, characterized by a pen tip of about 0.6mm thickness.- Color: Transparent- Pen tip thickness: 0.6mm- Material: Glass- Design: Wave pattern ink sample- Use: Art, lettersMade in ItalyThank you for viewing. impeccable for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.