The ink converter features a user-friendly design that simplifies the process of refilling your fountain pen. Its compatibility with multiple pen models ensures versatility, while its construction keeps use. This tool is ideal for those who value precision and convenience in their writing instruments. Features -Color:Multi -Material:Stainless Steel, plastic -Size:12.50X0.70X0.70cm/4.91X0.28X0.28in -Stainless steel and plastic construction: crafted from materials, this ink converter is both sturdy and easy to maintain, ensuring it withstands regular use -ideal for daily use: ideal for everyday work and study needs, this tool is also great for sharing with family and friends who appreciate writing instruments -Userfriendly design: the vacuum spring design simplifies the ink filling process, making it less messy and more convenient for users - product: the product comes , requiring you to put it together upon receipt, adding a personal touch to your writing tools -Child safety: includes pointed items, so it is important to keep this product away from children to ensure their safety Package list: 10 x Fountain Pen Ink Filler