The formula is secret -- the pencil is world-famous. Staedtler s successstory began over 180 years ago manufacturing pencils. To this day, first-classmaterials and manufacturing processes outstanding and consistent productquality. Staedtler Essentials is indeed an essential part of classroom andschool supplies for everyone from kindergarten on up through college, evenbeyond. The pros rely on Staedtler for drafting, carpentry, mapping and allaround use. Benefit from the finest German engineering and manufacturingspecifications! Since 1835, Staedtler pencils have served both as tools and asource of inspiration for schoolkids, artists, graphic designers andillustrators alike. Whether it's scientific or creative endeavors, in thehome, office or classroom, Staedtler helps bring ideas to life.Set of presharpened HB #2 pencils are ready for use right out of the package, no initial sharpening requiredLead pencils are an essential part of anyone's school supp