Replaceable refills, save you the trouble of repurchasing a new pencil, and you can share them with family and friends. These pencil nibs are made with graphite material and are for use. They are simple in design, but very practical to use and will give you a good experience. Features -Color:Black -Material:Graphite -Size:1.40X0.40X0.40cm/0.55X0.16X0.16in -With simple design, chic details and fine workmanship, the replaceable pencils nibs are convenient to use. -It is very convenient to use, helping you easily write, draw, make detailed illustrations and shadows, add textures, etc. -These nibs are compatible for everlasting pencil, use it as instead of a traditional pencil without sharpening or replacing the refill. -The inkless pen tip can be rubbed on the paper and leave writing similar to ordinary pencils, which can be erased. -The sufficient quantity can satisfy your daily needs, and you can also share the extra amount with your friends and family members. Package list: 10 x Pens Nibs