Montegrappa Armonia Duetto Pens Black

* A rollerball pen (on the left, with the cap on), a ballpoint pen (in the middle, with the cap off), and a fountain pen (on the right, with the cap off, showing the nib).
* Color Scheme: They feature silver or chrome bodies with black caps.
* Body Design: The bodies of the pens have a distinct vertically ribbed or lined texture.
* Cap Design: The caps are black with a silver clip and a detailed silver band at the base.
* Montegrappa Details: The overall design and the specific ribbed body are hallmarks of the Montegrappa Armonia Duetto line.