Whether you're a student, artist, or , our mechanical pencil lead replacements are a must-have. This pack of 20 boxes ensures you never run out of lead, making it ideal for long-term use. The lead is easy to install in any mechanical pencil, offering a consistent and reliable performance for writing, sketching, or technical work. Features -Color:Black -Material:Resin -Size:6.00X0.07X0.07cm/2.36X0.03X0.03in -Sturdy resin material: these pencil leads are crafted from resin, ensuring a smooth and consistent writing experience with minimal breakage -Multi use: designed for mechanical pencils, these leads do not require sharpening, allowing for immediate and uninterrupted use -Versatile application: suitable for writing, drawing, and sketching, these leads are ideal for students, artists, and professionals -Compact packaging: come in a small, portable box that is easy to carry and store, making them convenient for use -Wide compatibility: these leads are designed for 0.7 mm mechanical pencils, making them suitable for a variety of environments, including schools and offices Package list: 3 pcs x 20 box automatic pencil refills(12pcs per box)