Keep your writing instruments in condition with our sturdy metal ballpoint pen refills. These black ink refills are ideal for pens and other metal writing tools, providing a smooth and uninterrupted writing experience. practical for both and personal use, our refills are easy to install and ensure your pen is always ready . Features -Color:Black -Material:Metal -Size:11.60X0.53X0.53cm/4.56X0.21X0.21in -Robust metal construction: made from sturdy metal, these pen refills offer a and lightweight writing experience that lasts -Smooth ink flow: enjoy a smooth and uninterrupted writing experience with quickdrying ink that minimizes smudging and ensures clean lines -Versatile compatibility: these refills are compatible with a wide range of ballpoint pens, making them a versatile addition to your writing tools -Ideal for various settings: practical for use in offices, schools, businesses, and homes, these refills cater to all your writing needs -Convenient for sharing: whether for personal use or sharing with friends and colleagues, these pen refills provide a reliable and convenient writing solution Package list: 50pcs x ballpoint pen refills