The pencil's tip is made of a special metal, providing incredibly smooth friction against the paper. It requires no sharpening or ink refills, and the marks can be erased with an eraser The pencil features an aluminum barrel and a new type of metal tip, combining aesthetics and sturdy. Its principle is based on the friction and oxidation between the metal tip and the paper, creating a mark similar to that of a pencil No ink required, keeping your clothes clean; the aluminum alloy material provides a comfortable grip and smooth writing. It's an ideal choice for those who frequently use pencils Available in 7 colors, this reusable pen meets your various creative and drawing needs, making it a practical tool for architectural drawings and artistic creators This metal alloy writing instrument has a reusable tip, theoretically allowing for permanent use unless damaged Item Name: Pencil Material: Aluminum Pole Features: Eco-Friendly, Versatile, Innovative Size Details: Length: 16cm/6.3" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: A: 1 x Pencil 1 x Pen Tip or B,C: 1 x Pencil 3 x Tips or D,E: 1 x Pencil 5 x Pen Tips or F,G,H,I,J,K: 1 x Pencil 12 x Pen Tips