Reliable materials: the pencil is made of metal, comfortable to hold and easy to write, and the mechanical pencil refills consist of quality graphite material, which are , safe to use and not easy to break, bringing you uniform and smooth writing Size information: each drawing pencil refill measures . 9 cm/ 3.54 inch in length and . 0.56 cm/ 0.22 inch in diameter, the pencil is . 15.5 cm/ 6.1 inch in length and 0.6 cm/ 0.24 inch in width, proper size makes them easy to store and carry around with you; Comes with a plastic box for storing the pencil refills, so you can easily take them in Wide range of use: the 5.6 mm replacement refills and mechanical pencil have a of application, suitable for drawing, drafting, shading, art sketching, wood working, etc.; Easy to use and sharpen, can be applied in school, office, home and more Practical writing tools: these 5.6 mm pencil refills are blue, they will not easily smudge your paper or book, you can easily wipe off the handwriting with an eraser; They are work well in helping you your writing and drawing, convenient for your daily work Colour:black Material:Graphite+metal Package Contents: 24 * mechanical pencil leads 1 * mechanical pencil Only the above package content, other products are not included. Note: Light 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.