The Lamy Z27 converter opens your pen to the full spectrum of bottled fountain pen inks. Compatible with Accent, Dialog 3, Logo, ST Lineament, CP1, and Studio models, this converter replaces standard T10 cartridges with a precision plunger mechanism for dependable ink delivery. At 2 13/16 inches, it integrates seamlessly into your writing instrument. Whether exploring niche ink formulations or maintaining consistent performance, this converter delivers the flexibility discerning pen users expect. One per pack.