[Durable]:The metal erasable pen can be replaced with a compressed nib to up to 100 traditional pencils, without sharpening or replacing the pen core; without consuming wood, this will be your major contribution to environmental protection. You can also purchase the nib separately. [Easy to use]: No need to sharpen pencils, no ink, the nib is made of alloy material, it is not easy to break when using, writing is very convenient, the pen holder is non-slip, and the grip feels comfortable, very suitable for adults and children. [Practical Gifts]: These metal inkless writing pens core can be used as practical gifts for children, students, teachers, friends, etc., as well as gifts for important holidays such as Christmas and Year. [Portable inkless pen]: No need to sharpen a knife, no ink. Provide you with convenient writing, no need to worry about ink interruption. Non-slip pen holder; sturdy pen holder; comfortable grip. Stylish and sophisticated design. [Everlasting Pencil Replaceable Head]:A smooth drawing feeling, top-quality pencil for writing, drawing. This multipurpose artist pencil will keep you sketching, crafting fine, detailed illustrations, shading, adding texture, etc like a pro. Colour:black Material:Metal Size:5 x 3 x 2 cm Package Contents: 42 x Inkless Pencil Tip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.