These mechanical pencil lead refills offer a reliable solution for all your writing and drawing needs. The sturdy lead is designed to produce smooth, consistent lines, making it ideal for sketching, drafting, and everyday writing. Compatible with most mechanical pencils, these refills are a convenient and essential addition to your stationery collection. Features -Color:Black -Material:Resin -Size:6.00X0.05X0.05cm/2.36X0.02X0.02in -Note: 0.5 mm -Reliable quality: made from resin, these leads offer a smooth and reliable writing experience. -Simple to use: no need to sharpen, just load into your mechanical pencil and start using -Creative use: ideal for writing, drawing, and sketching, ideal for students and professionals -Portable and practical: the small box packaging is easy to carry, fitting into briefcases, pencil cases, or stationery boxes -Universal use: compatible with mechanical pencils, suitable for various environments like schools and offices Package list: 20 x boxes of automatic pencil refills (12pcs/box)