Reliable material: these 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, appropriate size makes it 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 application: these 5.6 mm mechanical pencil refills have a of uses, nice for drawing, drafting, shading, art sketching, wood working, etc.; Easy to use and sharpen, suitable for using , school, office and more Smooth writing: these 5.6 mm diameter pencil refills are black, they will not easily smudge your paper but easy to clean with eraser; They are work well in helping you your writing and drawing, convenient for your daily work What you will receive: there are 24 pieces of 5.6 mm mechanical pencil refills in a box, sufficient quantity to meet your daily use and replacement needs, and makes it easier to store and carry Colour: black Material: graphite Package Contents: 24 x Mechanical pencil refills 1 x Storage box 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.