Features: Experience smooth writing with this durable metal ballpoint pen refills. Made from durable 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, professionals, 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. Upgrade your writing experience today and enjoy the convenience of replacing your pen's ink cartridge with ease. . Specifications: Quantity:10PCS Size:approx 115mm or 4.53in Material:Metal Tip:1mm Color:Blue or Black Package Includes: 10PCS Pen Refills note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.