You miss our graphite tips if you're looking for an endless writing pencil pen tip. They are and useful because they are made of graphite. Our inkless pencil tip is a useful extra that can be used in place of the pencil tip and writes smoothly without needing to be sharpened. Features -Color:Assorted Color -Material:Graphite, Alloy -Size:2.00X0.50X0.50cm/0.79X0.20X0.20in -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 . -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: 140 Tips