Elevate your writing and drawing experience with our excellent pencil lead refills. The resin leads are designed to reduce breakage and provide a smooth, uninterrupted flow of writing. Ideal for sketching, drafting, and general use, these refills are a must-have for anyone who values precision and quality in their stationery supplies. Features -Color:Black -Material:Resin, plastic -Size:6.00X0.03X0.03cm/2.36X0.01X0.01in -Seamless writing: experience smooth and effortless writing with these automatic pencil lead refills, ideal for everyday use. -Versatile applications: suitable for various writing tasks, from office work to school projects and home activities. -Universal compatibility: these refills are designed to fit most mechanical pencils, providing a versatile solution for your writing needs. -Convenient storage: the hard plastic storage box with a blue lid is compact and easy to open, keeping the leads organized and accessible. - and clear: made from sturdy resin, the leads write clearly and smoothly, with a black color that resists fading Package list: 20 x boxes of automatic pencil refills (12pcs/box)