... inch plastic color pencil of round bar(not sharpen)Size:7",12 color,round bar,6.8mm diameterPacking:12 pcs/ box,12 box ... the traditional wooden pencils, need many 30 working procedure, plastic pencil production line just nee one procedure, in addition to ... , in European and American countries already is the trend. Plastic pencil has good appearance, suitable hardness and toughness, can according ...