Our mechanical pencil lead refills come in a convenient pack of 20 boxes, ideal for students, artists, and professionals. These lead refills ensure smooth and consistent writing or drawing, making them ideal for sketching, technical drawings, and everyday writing tasks. Simply insert the lead into your mechanical pencil, and you're ready to go. Features -Color:Black -Material:Resin -Size:6.00X0.07X0.07cm/2.36X0.03X0.03in -Smooth writing: made with resin, these pencil leads ensure a smooth writing experience without frequent breaks, making them ideal for everyday use. -No sharpening needed: these leads are designed for mechanical pencils, eliminating the need for sharpening and providing a writing and drawing experience. -Versatile use: ideal for writing, drawing, and sketching, these leads are suitable for various applications, from school projects to work. -Portable packaging: each set comes in a that easily fits into briefcases, pencil cases, or stationery boxes, making it convenient to carry around. -Universal compatibility: designed for 0.7 mm mechanical pencils, these leads are widely used in schools, offices, and other settings, offering broad compatibility and versatility Package list: 20 box automatic pencil refills(12pcs per box)