48 packs of 0.5 mm mechanical pencil lead refills, 4 per pack—ideal for precision writing and school use. When it comes to school supplies or office essentials, one item that is a must-have is the mechanical pencil. Particularly, we are referring to our mechanical pencil lead refills that are 5mm in size and come in a pack of 100 pieces. These aren't just your average pencils, but a tool that exemplifies precision, comfort, and convenience. The main function of these mechanical pencils is to deliver a seamless and continuous writing experience. Whether you're a student taking notes, an artist sketching a masterpiece, or an office worker outlining a project, these pencils ensure your work is always spot-on. They are perfect for general writing applications.