Standard International Converter Schmidt K5

Filled and snapped into my pen without any fuss — the twist mechanism draws ink up smoothly every time, no air bubbles stuck at the bottom. It's a simple, reliable converter that does exactly what it's supposed to do, which is all I really ask for.

The twist-and-pull mechanism feels solid, and it clicks into my pen’s grip section without any wobble. Ink flow has been consistent across three fills so far, which is exactly what I needed for a standard international cartridge.

I’ve been using this converter with several of my everyday pens and the twist mechanism feels smooth and solid every time. It fits the standard international size without any wobble, and the ink flow has been consistent for me so far. Exactly what I needed for refilling.