choice for environmentalists:new materials, energy saving, non-toxic and environmentally friendlyNo need for ink to be more durable: alloy tip for durability and minimalist design is energy efficient and environmentally friendlyCan be used for children to write:for art projects or birthday gift for . - With design, it can greatly motivate childrens interest to write and study.No ink and no core: clean and , writing and painting are applicable, making it easier to carry around.Metal alloy tip:the tip made of alloy, durable, long service life, no need to change the tipWriting : 0.5mmType: Mechanical PencilsLead Hardness: size:16.8 x 0.8cmMaterial:alloycolour:Wood grain colorPackage Contents:50 x Everlasting PencilOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.