With three 0.7 mm #2 graphite leads, BIC Prevaguard Media Clic Mechanical Pencil deliver smooth lines and easy writing. This pencil contains an antimicrobial agent incorporated into the plastic that protects the pen itself by suppressing growth of bacteria, algae, fungus and mildew. This product does not protect users or others from disease causing bacteria viruses or germs. PrevaGuard is a registered trademark of Koozie Group.