Tandem Ink Converter

An easy-to-use converter designed for Cross fountain pens, ideal for those who enjoy bottled ink.

A replacement converter for TWSBI Vac Mini pens, efficient for ink selection.

Adaptable and user-friendly, this converter fits a variety of Noodler’s pens for simple ink refills.

A reputable converter known for its durability and performance, compatible with various pen brands.

A versatile conversion tool for Online fountain pens to switch between cartridges and bottled ink.

A standard Bock converter compatible with many German-made fountain pens, offering excellent craftsmanship.

A piston converter for Platinum fountain pens, designed to maximize ink flow with a sleek design.

An upgraded converter for Sailor fountain pens, providing smooth ink flow and easy filling.

Designed specifically for Montblanc pens, this converter allows for the use of any bottled ink.

A convenient converter for Uni-ball pens, designed to hold plenty of your favorite ink.