Our automatic pencil lead refills are crafted from excellent resin, ensuring a smooth and consistent writing experience. These refills are ideal for various writing tasks, from note-taking to detailed sketches. The Long-lasting construction ensure long-lasting use, making them an essential addition to your stationery collection. Features -Color:Black -Material:Resin, plastic -Size:6.00X0.03X0.03cm/2.36X0.01X0.01in -Convenient and quick: pencil lead refills offer a handy writing experience, making them ideal for everyday use -Versatile use: suitable for all standard writing applications such as notes and letters, ideal for office, classroom, home, and other settings -Universal size: these refills fit most mechanical pencils, ensuring compatibility and ease of use -Long-lasting storage box: the hard plastic storage box with a blue lid is easy to open and designed for convenience, keeping the leads secure and organized -Excellent resin: made from sturdy resin, these leads write smoothly and clearly, with a lasting black color that resists fading Package list: 20 x boxes of automatic pencil refills (12pcs/box)