Crafted for precision and durability, these pencil lead refills are ideal for detailed artwork and technical drawings. The lead is designed to resist breaking, ensuring a continuous and uninterrupted writing or drawing experience. Suitable for various mechanical pencils, these refills are a must-have for anyone who values quality and reliability in their writing instruments. Features -Color:Black -Material:Resin -Size:6.00X0.05X0.05cm/2.36X0.02X0.02in -practical lead: the resin composition makes the lead less prone to breaking, ensuring longevity. -Ready to use: no need to sharpen, just load into your mechanical pencil and you're -Multipurpose: ideal for students, artists, and professionals for writing, sketching, and drafting -Compact and convenient: the small box packaging is easy to carry and store, fitting seamlessly into your daily routine -Wide application: compatible with mechanical pencils, making it suitable for various environments like schools and offices Package list: 20 x boxes of automatic pencil refills (12pcs/box)