This fountain pen ink converter is designed to assist with ink absorption, making it an essential tool for fountain pen enthusiasts. It is compatible with various European standard fountain pens, ensuring a nice fit. The sleek design and efficient functionality make it a must-have accessory for maintaining your fountain pen's performance. Features -Color:Multi -Material:Stainless Steel, plastic -Size:12.50X0.70X0.70cm/4.91X0.28X0.28in - materials: made from stainless steel and plastic, this ink converter is built to last and easy to clean, ensuring longterm use for all your writing needs -Essential for calligraphy enthusiasts: a musthave accessory for calligraphy lovers, this tool enhances your writing experience by providing a reliable and efficient ink filling solution -Compact and portable: its small and lightweight design makes it easy to carry around, allowing you to refill your fountain pen anytime, anywhere -Wide compatibility: designed to fit types of fountain pens with ink converters, this tool meets the needs of a wide range of pen users -Vacuum spring design: the vacuum spring mechanism makes ink filling easier and , while also allowing for easy disassembly, cleaning, and installation Package list: 10 x Fountain Pen Ink Filler