The Kaweco mini converter allows you to use bottled ink in the pocket-sized fountain pens of the famous Sport series. Developed with a compact push-pull plunger mechanism and international standard nozzle, it fits perfectly into the reduced body of the Classic, Skyline, AL Sport, Brass, and Steel models. It replaces disposable cartridges with great savings and environmental sustainability, allowing you to explore hundreds of ink colors. Its transparent body facilitates visual control of the ink level, making it the essential accessory to personalize your pocket pen with your favorite inks.