What you get: package contains 50 pieces of blue replaceable pen refills, each measures 3.9 inch/ 9.9 cm in length, 1.0 mm medium point for smooth writing; A large amount of pen refills are enough for your use; You can share them with classmates and colleagues.Wide applications: the medium point metal refill is suitable for use in different scenarios, such as office, business, classroom, shops, school and home etc.; It can even be given as a gift to friends, family, children and students.Quality material: the outer shell of the retractable pen refill adopts reliable metal, and sturdy, and the inner ink is made of quality material, which has high color rendering and even fluidity, so the refill is reliable and allows you to write or draw smoothly on paper.Convenient to use: the ballpoint pen refill is portable and practical, convenient to carry, you can put it in your pocket without worrying about Ink leaking, the pocket size is easier for storing, also suitable for travel and business trip.Nice performance: the replaceable blue ink refills with a 1.0 mm tip, allowing you to write or draw fine lines on paper smoothly and effortlessly, which are nicely fit for retractable pens, convenient to replace, practical for reducing waste, to save your time for selecting other pens.Colour: BlueMaterial: MetalPackage Contents:50 * Blue replaceable pen refillsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.