Features: Experience smooth writing with this durability metal ballpoint pen refills. From durability metal, this 116mm refill is designed to replace worn-out ink cartridges in your favorite pen. Its blue ink will offer clear and crisp lines for a professional look. Perfect for students, professional, and anyone who enjoys writing with a smooth writing pen. Whether you're taking notes in class or signing important documents at work, the metal ballpoint pen refill is a reliable choice for all your writing needs. Upgrades your writing experience today and enjoy the convenience of replacing your pen's ink cartridge with ease. . Specifications: Quantity10PCS Sizeapprox 115mm/4.53in Material:Metal Tip1mm ColorBlue / Black Package Includes: 10PCS Pen Refills note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.