High quality graphite pencils with a strong, thick core ranging between 2.2mm and 3.5mm (depending on pencil hardness.) Excellent graphite transfer and perfect balance in pencil hardness. This 2.5x7.25x.625 inch package contains six graphite drawing pencils: HB, 1B, 2B, 4B, 6B, 8B. Recommended ages 10 years and up. Conforms to ASTM D4236. Imported.