https://youtu.be/WPXCfWvt5QA **Ace Design | 3inONE Inkless Eternal Pen | Eternal metal nib x graphite pencil x ballpoint pen set.** The inkless metal eternal pen designed by the Taiwan team uses aerospace metal materials to make the pen tip, and uses the oxidation of metal materials and paper to achieve the effect of writing. Ace Design designed the "patent interchangeable pen tip", which can be replaced with different functions according to usage habits. The pen head, and you can customize your own customized pen body. It is the best choice to give gifts for personal use. It can satisfy your three wishes at once, easy to use, fun and novel. **Pen function introduction:** 1. Eternal metal pen tip: It is made of metal alloy and can write and preserve in various harsh environments. 2. Graphite pencil nibs: graphite and special clay are mixed and formed, so that one nib = 20 traditional pencils. 3. Ball pen set set: Patent design pen body mechanism, so that your metal eternal pen can be transformed into a general ball ball pen. https://youtu.be/dml4JQK4qcI Matters needing attention (If the information to be engraved is not noted after the order is placed, it will not be engraved by default, and the general LOGO version will be produced) **This store product includes free customized engraving service:**Example: Left or right hand pen / engraved text content Please follow the example method, fill in the engraved content you want, and control the number of engravings within 10 Chinese characters and 16 English characters. product content: 1. Three-in-one functional aluminum alloy pen body (including ballpoint pen set), metal eternal pen tip, super wear-resistant pencil tip, Italian leather pen cover, handmade gift box packaging, product description card. https://live.staticflickr.com/65535/50883245443_a4835855ff_b.jpg ps. The pen grip colors are silver, gray, and black, and the pen tail colors are pink, red, pink orange, gray, black, and coffee. You can confirm the color inventory with us before placing an order.