Mechanical pencil 1) Dia:2.0mm; 2) Hardness:HB; 3) ... -3,ASTM 963, ST2002-3,REACH Product Graphite Pencil LeadMaterial GraphiteGrade Best QualityColor BlackHardness HBShape RoundDiameter 2.0mmLength ... now. Welcome OEM order! (Gold Supplier)Red Blue Mechanical Pencil 1, macheanical pencil is made of high quality graphite, no lead2, ... of lead is clear, smooth4, easy to change leads of mechanical pencil