ColourBlack Ink colourBlack MaterialGraphite, Plastic, Metal Special featureRefillable, erasable Unit count:1.0 count About this item 1.DURABLE AND SMOOOTH: The inkless eternal pencil is erasable, removable, refillable and durable. The spring is made of high-quality special graphite, which is firm and difficult to break and has a long service life. The colour of the nib is similar to that of a wooden pen and the writing is smooth and easy to erase. The spring has a screw interface design, which can be easily removed and replaced. 2.Operating principle: the tip of the inkless pencil rubs over the paper to break down the alloy metal molecules and leave them on the surface of the paper. No need to sharpen pencils, consume wood, and never finish writing. What a great choice for students, painters, artists, teachers, etc. 3.MULTI-PURPOSE - This eternal pencil allows you to create a smooth drawing feeling, allowing you to sketch like a professional, add beautiful and detailed illustrations, shadows and textures, etc. 4.PORTABLE & NON-SLIP:No sharpening and ink needed Provide comfortable writing, no need to worry about ink interruption. The pen shaft is non-slip, the pen holder is firm and the handle feels comfortable. The eternal pencil is fashionable and exquisite, which is very suitable for right or left handed children and adults. Wish you have a happy life!