Mechanical pencil 1) Dia:2.0mm; 2) Hardness:HB; 3) Length:185mm; 4) Certification: EN71-3, ASTM F963-08, ST2002-3 This kind of product has ... us now. Welcome OEM order! (Gold Supplier)Red Blue Mechanical Pencil 1, macheanical pencil is made of high quality graphite, no lead2, advanced ... of lead is clear, smooth4, easy to change leads of mechanical pencil