Kaweco ink cartridges are Standard International size. There are 6 cartridges per pack.Elevate your writing with Kaweco Midnight Blue Ink Cartridges. This pack of six Standard International size cartridges delivers a cool blue ink that ensures smooth, comfortable writing.Compatible with all fountain pens using this size, these cartridges are a convenient choice for any fountain pen enthusiast. Refill your pen effortlessly and rediscover the joy of putting ink to paper with Kaweco's renowned quality.. Midnight Blue. Standard International - Compatible with all fountain pens using this size. Pack of 6 - Convenient cartridge set.
