Everlasting refills are made of graphite material, serviceable and sturdy, not easy to break, comfortable to use. Everlasting pencil replaceable refill adopts screw interface design, which can be easily removed and replaced, allow you simple to install and use. Features -Color:Assorted Color -Material:Graphite -Size:1.60X0.50X0.50cm/0.63X0.20X0.20in - Pencil replacement refills are and , made of graphite, practical to use. - Enough quantity replaceable refills, sufficient to meet your daily study, office use and replacement. - Pencil heads are simple, no sharpening required, easy to use, helps you reduce the time of sharpening. - Pencil refills are nice replacement for broken or lost pencil refills, works well for writing. - Pencil replacement heads are convenient and effective, perfect for anyone needed study and work. Package list: 48 x Pencil Replaceable Refills