Fueki Spg20b-h Tyou-kou-shinn"gari-gori", for 2mm Lead, Black. - Mechanical Pencils - Hard-core Lead - Office Products The best feature of this pen, but thick nib. The thickness of the pen tip is 2.7 times. Even rub the concrete, it is difficult to break. Are especially hard Lead is used for this Mechanical Pencil. Compared to conventional products, the hardness of the lead's fold. The lead was produced in order to write the concrete, steel, wood. The thickness of the lead is 2mm, length 119 mm. This Mechanical Pencil's made in Japan.People with great respect - referred to as a "gully Gori". Total length: 139 mm (5.4724 inches) Weight: 20 grams (0.044 pounds)