Enhance your writing and drawing with these good mechanical pencil lead refills. The smooth texture of the lead allows for effortless gliding across the paper, making it ideal for sketching, note-taking, and professional use. These refills are compatible with a wide range of mechanical pencils, providing you with the flexibility to use your favorite writing tools. Features -Color:Black -Material:Resin -Size:6.00X0.05X0.05cm/2.36X0.02X0.02in -practical resin: crafted from practical resin, these leads offer a smooth and consistent writing experience. -Effortless usage: no sharpening required, just insert into your mechanical pencil and start writing -Ideal for creativity: great for writing, drawing, and sketching, meeting diverse creative needs -Easy to carry: the packaging is designed for easy portability, fitting into any bag or pencil case -Broad compatibility: designed for mechanical pencils, suitable for use in schools, offices, and more Package list: 80 x boxes of automatic pencil refills (12pcs/box)