Experience the reliability and quality of our automatic pencil lead refills. Made from resin, these leads are designed to withstand frequent use without breaking. They provide a smooth writing experience, making them ideal for sketching, drafting, and taking notes. Upgrade your mechanical pencils with these premium refills. Features -Color:Black -Material:Resin, plastic -Size:6.00X0.03X0.03cm/2.36X0.01X0.01in -Effortless writing: enjoy a seamless writing experience with these automatic pencil lead refills, ideal for everyday tasks -Multifunctional: suitable for a variety of writing needs, from office work to school assignments and home projects -Standard size: these refills are designed to fit most mechanical pencils, providing a universal solution for your writing instruments -Secure and convenient: the hard plastic storage box with a blue lid keeps the leads safe and easy to access, ensuring they are always ready for use - quality: made from Excellent resin, the leads write smoothly and clearly, with a black color that resists fading over time Package list: 100 x boxes of automatic pencil refills (12pcs/box)