Made with graphite material, practical and for use. Fine workmanship and beautiful appearance ensure the popularity and practicality. These inkless writing pens tips can be regarded as practical children, students, teachers, friends, etc. Features -Color:Multi -Material:Graphite, Alloy - Size: 1.50X0.50X0.50cm/0.59X0.20X0.20in -Note: The thread style is -These replaceable pencils tips are easy to use and convenient to carry, and you can take them to any place. -Replaceable refills, does not need to be sharpened, which helps you reduce the time of sharpening. -The replacement tips can be replaced in time when the unlimited pen does not flow smoothly or the tips are damaged. -The replacement tips kit is a good accessory for study and office, giving you a good experience. -Sufficient quantity can meet your various replacement demands, and you can share them with your friends. Package list: 6 Tips