Our drawing pencil lead refills are an essential addition to any artist's tool kit. With 20 boxes included, you'll have plenty of lead for all your creative projects. These refills are designed to fit seamlessly into mechanical pencils, providing a smooth and precise drawing experience. Simply insert the lead and start creating your masterpiece. Features -Color:Black -Material:Resin -Size:6.00X0.07X0.07cm/2.36X0.03X0.03in -Smooth resin leads: made from premium resin, these leads offer a smooth writing experience and are less prone to breaking, ensuring durability and reliability -No sharpening required: these leads are designed for use with mechanical pencils, eliminating the need for sharpening and providing a seamless writing experience -Multifunctional: ideal for a range of activities, including writing, drawing, and sketching, making them a versatile choice for any user -Portable design: each set comes in a that is easy to carry and store, fitting neatly into briefcases, pencil cases, or desk drawers -Universal fit: compatible with 0.7 mm mechanical pencils, these leads are suitable for use in various settings, from classrooms to offices Package list: 4 pcs x 20 box automatic pencil refills(12pcs per box)