YUEMING 20 Pcs Blue Ink Pen Refills for Ballpoint Pens, 2.5'' Replaceable Smooth Writing 7 cm and1 mm Medium Size Tip

The refill is made of metal and is light and smooth; the ink flows evenly and the ink dries quickly. Replacement ballpoint pen refills are compatible with many ballpoint pens to help extend the life of your favorite pen holder. As long as the size of the ballpoint pen matches the ballpoint pen, the ballpoint pen is suitable for most pens; they are suitable for office, school and home applications. Size: pen length is about 7cm, core diameter is 1.0mm, easy to write, suitable for office, business, school and family; small and portable, easy to carry Quantity: The package contains 20 metal ballpoint pen refills, a large number of refills are available for you to use; you can share it with classmates or friends.